| | | |
| May 17, 2018 | Sioux City Explorers 7 at Lincoln Saltdogs 4 | Final |
| May 18, 2018 | Sioux City Explorers 6 at Lincoln Saltdogs 0 | Final |
| May 18, 2018 | Chicago Dogs 5 at Sioux Falls Canaries 9 | Final |
| May 18, 2018 | Fargo-Moorhead RedHawks 7 at Texas AirHogs 5 | Final |
| May 18, 2018 | Kansas City T-Bones 2 at Wichita Wingnuts 8 | Final |
| May 18, 2018 | Winnipeg Goldeyes 2 at Cleburne Railroaders 3 | Final |
| May 18, 2018 | St. Paul Saints 5 at Gary SouthShore Railcats 10 | Final |
| May 19, 2018 | St. Paul Saints 8 at Gary SouthShore Railcats 3 | Final |
| May 19, 2018 | Chicago Dogs 4 at Sioux Falls Canaries 2 | Final |
| May 19, 2018 | Sioux City Explorers 14 at Lincoln Saltdogs 6 | Final |
| May 19, 2018 | Fargo-Moorhead RedHawks 7 at Texas AirHogs 3 | Final |
| May 19, 2018 | Kansas City T-Bones 2 at Wichita Wingnuts 5 | Final |
| May 19, 2018 | Winnipeg Goldeyes 4 at Cleburne Railroaders 6 | Final |
| May 20, 2018 | Sioux City Explorers 3 at Lincoln Saltdogs 4 | Final |
| May 20, 2018 | Chicago Dogs 2 at Sioux Falls Canaries 4 | Final |
| May 20, 2018 | Kansas City T-Bones 3 at Wichita Wingnuts 1 | Final |
| May 20, 2018 | Winnipeg Goldeyes 4 at Cleburne Railroaders 3 | Final |
| May 20, 2018 | Fargo-Moorhead RedHawks 0 at Texas AirHogs 1 | Final |
| May 20, 2018 | St. Paul Saints 4 at Gary SouthShore Railcats 3 | Final (11) |
| May 21, 2018 | Chicago Dogs 4 at St. Paul Saints 6 | Final |
| May 21, 2018 | Winnipeg Goldeyes 3 at Texas AirHogs 2 | Final |
| May 21, 2018 | Fargo-Moorhead RedHawks 4 at Cleburne Railroaders 3 | Final (11) |
| May 22, 2018 | Winnipeg Goldeyes 5 at Texas AirHogs 3 | Final |
| May 22, 2018 | Wichita Wingnuts 10 at Lincoln Saltdogs 11 | Final |
| May 22, 2018 | Gary SouthShore Railcats 6 at Kansas City T-Bones 2 | Final |
| May 22, 2018 | Sioux City Explorers 8 at Sioux Falls Canaries 2 | Final |
| May 22, 2018 | Chicago Dogs 1 at St. Paul Saints 5 | Final |
| May 22, 2018 | Fargo-Moorhead RedHawks 5 at Cleburne Railroaders 6 | Final |
| May 23, 2018 | Winnipeg Goldeyes 10 at Texas AirHogs 2 | Final |
| May 23, 2018 | Fargo-Moorhead RedHawks 8 at Cleburne Railroaders 10 | Final |
| May 23, 2018 | Wichita Wingnuts 4 at Lincoln Saltdogs 6 | Final |
| May 23, 2018 | Gary SouthShore Railcats 3 at Kansas City T-Bones 5 | Final |
| May 23, 2018 | Sioux City Explorers 7 at Sioux Falls Canaries 3 | Final |
| May 23, 2018 | Chicago Dogs 3 at St. Paul Saints 5 | Final |
| May 24, 2018 | Wichita Wingnuts 5 at Lincoln Saltdogs 6 | Final |
| May 24, 2018 | Gary SouthShore Railcats 3 at Kansas City T-Bones 5 | Final |
| May 24, 2018 | Sioux City Explorers 10 at Sioux Falls Canaries 4 | Final |
| May 25, 2018 | Sioux Falls Canaries 1 at Winnipeg Goldeyes 13 | Final |
| May 25, 2018 | Lincoln Saltdogs 3 at Fargo-Moorhead RedHawks 5 | Final |
| May 25, 2018 | Kansas City T-Bones 8 at Chicago Dogs 4 | Final |
| May 25, 2018 | Cleburne Railroaders 2 at Sioux City Explorers 3 | Final |
| May 25, 2018 | Gary SouthShore Railcats 0 at St. Paul Saints 5 | Final |
| May 25, 2018 | Texas AirHogs 1 at Wichita Wingnuts 4 | Final |
| May 26, 2018 | Lincoln Saltdogs 6 at Fargo-Moorhead RedHawks 11 | Final |
| May 26, 2018 | Sioux Falls Canaries 6 at Winnipeg Goldeyes 5 | Final (10) |
| May 26, 2018 | Kansas City T-Bones 4 at Chicago Dogs 2 | Final |
| May 26, 2018 | Cleburne Railroaders 1 at Sioux City Explorers 7 | Final |
| May 26, 2018 | Gary SouthShore Railcats 16 at St. Paul Saints 7 | Final |
| May 26, 2018 | Texas AirHogs 3 at Wichita Wingnuts 15 | Final |
| May 27, 2018 | Lincoln Saltdogs 9 at Fargo-Moorhead RedHawks 4 | Final |
| May 27, 2018 | Sioux Falls Canaries 3 at Winnipeg Goldeyes 6 | Final |
| May 27, 2018 | Kansas City T-Bones 8 at Chicago Dogs 6 | Final |
| May 27, 2018 | Texas AirHogs 2 at Wichita Wingnuts 4 | Final |
| May 27, 2018 | Gary SouthShore Railcats 3 at St. Paul Saints 2 | Final |
| May 27, 2018 | Cleburne Railroaders 9 at Sioux City Explorers 6 | Final |
| May 28, 2018 | Chicago Dogs 2 at Gary SouthShore Railcats 4 | Final |
| May 28, 2018 | Cleburne Railroaders 0 at Wichita Wingnuts 1 | Final |
| May 28, 2018 | Sioux Falls Canaries 2 at Fargo-Moorhead RedHawks 3 | Final |
| May 28, 2018 | Lincoln Saltdogs 14 at Winnipeg Goldeyes 6 | Final |
| May 28, 2018 | Kansas City T-Bones 6 at Sioux City Explorers 7 | Final (10) |
| May 28, 2018 | St. Paul Saints 11 at Texas AirHogs 6 | Final |
| May 29, 2018 | Lincoln Saltdogs 4 at Winnipeg Goldeyes 6 | Final |
| May 29, 2018 | Sioux Falls Canaries 5 at Fargo-Moorhead RedHawks 3 | Final |
| May 29, 2018 | Kansas City T-Bones 7 at Sioux City Explorers 6 | Final |
| May 29, 2018 | St. Paul Saints 3 at Texas AirHogs 0 | Final (11) |
| May 29, 2018 | Cleburne Railroaders at Wichita Wingnuts | Ppd. |
| May 29, 2018 | Chicago Dogs 3 at Gary SouthShore Railcats 6 | Final |
| May 30, 2018 | Lincoln Saltdogs at Winnipeg Goldeyes | Ppd. |
| May 30, 2018 | Sioux Falls Canaries 4 at Fargo-Moorhead RedHawks 8 | Final |
| May 30, 2018 | Kansas City T-Bones 10 at Sioux City Explorers 2 | Final |
| May 30, 2018 | St. Paul Saints 7 at Texas AirHogs 4 | Final (10) |
| May 30, 2018 | Cleburne Railroaders 0 at Wichita Wingnuts 2 (Game 1) | Final (7) |
| May 30, 2018 | Cleburne Railroaders 4 at Wichita Wingnuts 8 (Game 2) | Final |
| May 30, 2018 | Chicago Dogs at Gary SouthShore Railcats | Ppd. |
| May 31, 2018 | St. Paul Saints 6 at Texas AirHogs 7 | Final (11) |
| May 31, 2018 | Lincoln Saltdogs 8 at Winnipeg Goldeyes 2 (Game 1) | Final (7) |
| May 31, 2018 | Lincoln Saltdogs 8 at Winnipeg Goldeyes 2 (Game 2) | Final (7) |
| May 31, 2018 | Chicago Dogs 6 at Gary SouthShore Railcats 7 (Game 1) | Final |
| May 31, 2018 | Chicago Dogs at Gary SouthShore Railcats (Game 2) | Susp. |
| May 31, 2018 | Kansas City T-Bones 4 at Sioux City Explorers 5 | Final |
| May 31, 2018 | Cleburne Railroaders 4 at Wichita Wingnuts 3 | Final |
| June 1, 2018 | Winnipeg Goldeyes 6 at Chicago Dogs 3 | Final |
| June 1, 2018 | Wichita Wingnuts 1 at Kansas City T-Bones 0 | Final |
| June 1, 2018 | Lincoln Saltdogs 7 at Sioux Falls Canaries 10 | Final (7) |
| June 1, 2018 | Sioux City Explorers 9 at Texas AirHogs 4 | Final |
| June 1, 2018 | St. Paul Saints 4 at Cleburne Railroaders 1 | Final |
| June 1, 2018 | Fargo-Moorhead RedHawks 4 at Gary SouthShore Railcats 6 | Final |
| June 2, 2018 | Fargo-Moorhead RedHawks 0 at Gary SouthShore Railcats 2 | Final |
| June 2, 2018 | Lincoln Saltdogs 10 at Sioux Falls Canaries 1 | Final |
| June 2, 2018 | Winnipeg Goldeyes 6 at Chicago Dogs 5 | Final |
| June 2, 2018 | Wichita Wingnuts 3 at Kansas City T-Bones 1 | Final (10) |
| June 2, 2018 | Sioux City Explorers 4 at Texas AirHogs 2 | Final |
| June 2, 2018 | St. Paul Saints 2 at Cleburne Railroaders 3 | Final (11) |
| June 3, 2018 | Winnipeg Goldeyes 5 at Chicago Dogs 6 | Final |
| June 3, 2018 | Wichita Wingnuts 2 at Kansas City T-Bones 13 | Final |
| June 3, 2018 | Lincoln Saltdogs 16 at Sioux Falls Canaries 5 | Final |
| June 3, 2018 | St. Paul Saints 0 at Cleburne Railroaders 1 | Final |
| June 3, 2018 | Sioux City Explorers 10 at Texas AirHogs 2 | Final |
| June 3, 2018 | Fargo-Moorhead RedHawks 10 at Gary SouthShore Railcats 2 | Final |
| June 4, 2018 | Fargo-Moorhead RedHawks 1 at Lincoln Saltdogs 4 | Final |
| June 4, 2018 | Sioux Falls Canaries 7 at Chicago Dogs 1 | Final |
| June 4, 2018 | St. Paul Saints 8 at Wichita Wingnuts 3 | Final |
| June 4, 2018 | Sioux City Explorers 5 at Cleburne Railroaders 2 | Final |
| June 4, 2018 | Winnipeg Goldeyes 3 at Gary SouthShore Railcats 4 | Final (10) |
| June 5, 2018 | Fargo-Moorhead RedHawks 9 at Lincoln Saltdogs 4 | Final |
| June 5, 2018 | Sioux Falls Canaries 0 at Chicago Dogs 1 | Final (11) |
| June 5, 2018 | Kansas City T-Bones 2 at Texas AirHogs 3 | Final |
| June 5, 2018 | St. Paul Saints 2 at Wichita Wingnuts 0 | Final |
| June 5, 2018 | Sioux City Explorers 5 at Cleburne Railroaders 2 | Final |
| June 5, 2018 | Winnipeg Goldeyes 4 at Gary SouthShore Railcats 3 | Final |
| June 6, 2018 | Fargo-Moorhead RedHawks 4 at Lincoln Saltdogs 7 | Final |
| June 6, 2018 | Sioux Falls Canaries 0 at Chicago Dogs 8 | Final |
| June 6, 2018 | Kansas City T-Bones 8 at Texas AirHogs 0 | Final |
| June 6, 2018 | St. Paul Saints 10 at Wichita Wingnuts 1 | Final |
| June 6, 2018 | Sioux City Explorers 6 at Cleburne Railroaders 3 | Final |
| June 6, 2018 | Winnipeg Goldeyes 2 at Gary SouthShore Railcats 6 | Final |
| June 7, 2018 | Gary SouthShore Railcats 3 at Fargo-Moorhead RedHawks 2 | Final |
| June 7, 2018 | Kansas City T-Bones at Texas AirHogs | Ppd. |
| June 8, 2018 | Chicago Dogs 2 at Winnipeg Goldeyes 5 | Final |
| June 8, 2018 | Gary SouthShore Railcats 2 at Fargo-Moorhead RedHawks 1 | Final |
| June 8, 2018 | Cleburne Railroaders 7 at Lincoln Saltdogs 9 | Final |
| June 8, 2018 | Texas AirHogs 3 at Sioux City Explorers 12 | Final |
| June 8, 2018 | Sioux Falls Canaries 1 at St. Paul Saints 2 | Final |
| June 8, 2018 | Kansas City T-Bones 11 at Wichita Wingnuts 3 | Final |
| June 9, 2018 | Gary SouthShore Railcats 1 at Fargo-Moorhead RedHawks 3 | Final |
| June 9, 2018 | Chicago Dogs 1 at Winnipeg Goldeyes 2 | Final |
| June 9, 2018 | Cleburne Railroaders 4 at Lincoln Saltdogs 1 | Final |
| June 9, 2018 | Texas AirHogs 3 at Sioux City Explorers 7 | Final |
| June 9, 2018 | Sioux Falls Canaries 5 at St. Paul Saints 3 | Final |
| June 9, 2018 | Kansas City T-Bones 11 at Wichita Wingnuts 2 | Final |
| June 10, 2018 | Gary SouthShore Railcats 9 at Fargo-Moorhead RedHawks 7 | Final |
| June 10, 2018 | Chicago Dogs 6 at Winnipeg Goldeyes 5 | Final |
| June 10, 2018 | Cleburne Railroaders 3 at Lincoln Saltdogs 4 | Final |
| June 10, 2018 | Kansas City T-Bones 6 at Wichita Wingnuts 7 | Final |
| June 10, 2018 | Sioux Falls Canaries 1 at St. Paul Saints 4 | Final |
| June 10, 2018 | Texas AirHogs 6 at Sioux City Explorers 5 | Final |
| June 11, 2018 | Gary SouthShore Railcats 1 at Winnipeg Goldeyes 2 | Final |
| June 11, 2018 | Sioux City Explorers 8 at Kansas City T-Bones 6 | Final |
| June 11, 2018 | Chicago Dogs 5 at Sioux Falls Canaries 6 | Final |
| June 11, 2018 | Fargo-Moorhead RedHawks 5 at St. Paul Saints 4 | Final |
| June 11, 2018 | Lincoln Saltdogs 4 at Texas AirHogs 3 | Final |
| June 11, 2018 | Wichita Wingnuts 6 at Cleburne Railroaders 1 | Final |
| June 12, 2018 | Gary SouthShore Railcats 1 at Winnipeg Goldeyes 4 | Final |
| June 12, 2018 | Sioux City Explorers 0 at Kansas City T-Bones 6 | Final |
| June 12, 2018 | Chicago Dogs 6 at Sioux Falls Canaries 5 | Final |
| June 12, 2018 | Fargo-Moorhead RedHawks 5 at St. Paul Saints 6 | Final |
| June 12, 2018 | Lincoln Saltdogs 2 at Texas AirHogs 5 | Final |
| June 12, 2018 | Wichita Wingnuts 8 at Cleburne Railroaders 6 | Final |
| June 13, 2018 | Chicago Dogs 1 at Sioux Falls Canaries 3 | Final |
| June 13, 2018 | Fargo-Moorhead RedHawks 7 at St. Paul Saints 1 | Final |
| June 13, 2018 | Gary SouthShore Railcats 12 at Winnipeg Goldeyes 11 | Final (10) |
| June 13, 2018 | Sioux City Explorers 9 at Kansas City T-Bones 8 | Final |
| June 13, 2018 | Lincoln Saltdogs 12 at Texas AirHogs 5 | Final |
| June 13, 2018 | Wichita Wingnuts 6 at Cleburne Railroaders 3 | Final |
| June 14, 2018 | Sioux City Explorers 5 at Kansas City T-Bones 9 | Final |
| June 14, 2018 | Chicago Dogs 5 at Sioux Falls Canaries 7 | Final |
| June 14, 2018 | Lincoln Saltdogs 4 at Texas AirHogs 2 | Final |
| June 14, 2018 | Wichita Wingnuts 5 at Cleburne Railroaders 11 | Final |
| June 15, 2018 | Kansas City T-Bones 6 at Fargo-Moorhead RedHawks 4 | Final |
| June 15, 2018 | St. Paul Saints 2 at Chicago Dogs 4 | Final |
| June 15, 2018 | Winnipeg Goldeyes 1 at Sioux Falls Canaries 3 | Final |
| June 15, 2018 | Wichita Wingnuts 4 at Texas AirHogs 1 | Final |
| June 15, 2018 | Lincoln Saltdogs 5 at Cleburne Railroaders 6 | Final |
| June 15, 2018 | Sioux City Explorers 6 at Gary SouthShore Railcats 1 | Final |
| June 16, 2018 | Kansas City T-Bones 4 at Fargo-Moorhead RedHawks 5 | Final |
| June 16, 2018 | Winnipeg Goldeyes 9 at Sioux Falls Canaries 7 | Final (10) |
| June 16, 2018 | Sioux City Explorers 5 at Gary SouthShore Railcats 1 | Final |
| June 16, 2018 | St. Paul Saints 6 at Chicago Dogs 7 | Final |
| June 16, 2018 | Wichita Wingnuts 7 at Texas AirHogs 2 | Final |
| June 16, 2018 | Lincoln Saltdogs 3 at Cleburne Railroaders 2 | Final |
| June 17, 2018 | Kansas City T-Bones 6 at Fargo-Moorhead RedHawks 8 | Final |
| June 17, 2018 | St. Paul Saints 7 at Chicago Dogs 1 | Final |
| June 17, 2018 | Winnipeg Goldeyes 5 at Sioux Falls Canaries 2 | Final |
| June 17, 2018 | Sioux City Explorers 8 at Gary SouthShore Railcats 1 | Final |
| June 17, 2018 | Wichita Wingnuts 3 at Texas AirHogs 1 | Final |
| June 17, 2018 | Lincoln Saltdogs 3 at Cleburne Railroaders 6 | Final |
| June 18, 2018 | St. Paul Saints 15 at Lincoln Saltdogs 9 | Final |
| June 18, 2018 | Kansas City T-Bones 9 at Winnipeg Goldeyes 3 | Final |
| June 19, 2018 | St. Paul Saints at Lincoln Saltdogs | Ppd. |
| June 19, 2018 | Kansas City T-Bones 7 at Winnipeg Goldeyes 3 | Final |
| June 19, 2018 | Texas AirHogs 2 at Chicago Dogs 9 | Final |
| June 19, 2018 | Fargo-Moorhead RedHawks 5 at Sioux City Explorers 3 | Final |
| June 19, 2018 | Sioux Falls Canaries 2 at Wichita Wingnuts 4 | Final |
| June 19, 2018 | Cleburne Railroaders 1 at Gary SouthShore Railcats 3 | Final |
| June 20, 2018 | Cleburne Railroaders 1 at Gary SouthShore Railcats 8 | Final |
| June 20, 2018 | St. Paul Saints 4 at Lincoln Saltdogs 5 (Game 1) | Final (7) |
| June 20, 2018 | St. Paul Saints 6 at Lincoln Saltdogs 0 (Game 2) | Final (7) |
| June 20, 2018 | Kansas City T-Bones 6 at Winnipeg Goldeyes 3 | Final |
| June 20, 2018 | Texas AirHogs 4 at Chicago Dogs 3 | Final |
| June 20, 2018 | Sioux Falls Canaries 3 at Wichita Wingnuts 6 | Final |
| June 20, 2018 | Fargo-Moorhead RedHawks at Sioux City Explorers | Ppd. |
| June 21, 2018 | Fargo-Moorhead RedHawks 1 at Sioux City Explorers 2 (Game 1) | Final (8) |
| June 21, 2018 | Fargo-Moorhead RedHawks 4 at Sioux City Explorers 3 (Game 2) | Final (7) |
| June 21, 2018 | Winnipeg Goldeyes 16 at St. Paul Saints 5 | Final |
| June 21, 2018 | Sioux Falls Canaries 2 at Wichita Wingnuts 3 | Final |
| June 21, 2018 | Texas AirHogs at Chicago Dogs | Ppd. |
| June 21, 2018 | Cleburne Railroaders at Gary SouthShore Railcats | Ppd. |
| June 22, 2018 | Wichita Wingnuts 3 at Fargo-Moorhead RedHawks 6 | Final |
| June 22, 2018 | Cleburne Railroaders 4 at Kansas City T-Bones 7 | Final |
| June 22, 2018 | Chicago Dogs 4 at Lincoln Saltdogs 5 | Final |
| June 22, 2018 | Gary SouthShore Railcats 0 at Sioux City Explorers 4 | Final |
| June 22, 2018 | Texas AirHogs 7 at Sioux Falls Canaries 3 | Final |
| June 22, 2018 | Winnipeg Goldeyes 9 at St. Paul Saints 8 | Final |
| June 23, 2018 | Wichita Wingnuts 5 at Fargo-Moorhead RedHawks 4 | Final |
| June 23, 2018 | Texas AirHogs 2 at Sioux Falls Canaries 6 | Final |
| June 23, 2018 | Cleburne Railroaders 4 at Kansas City T-Bones 5 | Final |
| June 23, 2018 | Chicago Dogs 2 at Lincoln Saltdogs 7 | Final |
| June 23, 2018 | Gary SouthShore Railcats 0 at Sioux City Explorers 7 | Final |
| June 23, 2018 | Winnipeg Goldeyes 9 at St. Paul Saints 8 | Final (11) |
| June 24, 2018 | Wichita Wingnuts 4 at Fargo-Moorhead RedHawks 1 | Final |
| June 24, 2018 | Cleburne Railroaders 5 at Kansas City T-Bones 6 | Final (10) |
| June 24, 2018 | Chicago Dogs 4 at Lincoln Saltdogs 5 | Final (11) |
| June 24, 2018 | Texas AirHogs 5 at Sioux Falls Canaries 4 | Final |
| June 24, 2018 | Winnipeg Goldeyes 0 at St. Paul Saints 1 | Final |
| June 24, 2018 | Gary SouthShore Railcats 3 at Sioux City Explorers 0 | Final (7) |
| June 25, 2018 | Wichita Wingnuts 6 at Winnipeg Goldeyes 1 | Final |
| June 25, 2018 | Gary SouthShore Railcats 6 at Chicago Dogs 7 | Final |
| June 25, 2018 | Sioux City Explorers 11 at St. Paul Saints 3 | Final |
| June 26, 2018 | Gary SouthShore Railcats 6 at Chicago Dogs 2 | Final |
| June 26, 2018 | Wichita Wingnuts 9 at Winnipeg Goldeyes 8 | Final |
| June 26, 2018 | Texas AirHogs 4 at Fargo-Moorhead RedHawks 9 | Final |
| June 26, 2018 | Lincoln Saltdogs 0 at Kansas City T-Bones 7 | Final |
| June 26, 2018 | Sioux City Explorers 5 at St. Paul Saints 2 | Final |
| June 26, 2018 | Sioux Falls Canaries 2 at Cleburne Railroaders 3 | Final (10) |
| June 27, 2018 | Chicago Dogs 5 at Gary SouthShore Railcats 6 (Game 1) | Final (14) |
| June 27, 2018 | Chicago Dogs 4 at Gary SouthShore Railcats 3 (Game 2) | Final |
| June 27, 2018 | Wichita Wingnuts 9 at Winnipeg Goldeyes 4 | Final |
| June 27, 2018 | Texas AirHogs 3 at Fargo-Moorhead RedHawks 5 | Final |
| June 27, 2018 | Lincoln Saltdogs 1 at Kansas City T-Bones 7 | Final |
| June 27, 2018 | Sioux City Explorers 9 at St. Paul Saints 2 | Final |
| June 27, 2018 | Sioux Falls Canaries 6 at Cleburne Railroaders 3 | Final |
| June 28, 2018 | Texas AirHogs 1 at Fargo-Moorhead RedHawks 13 | Final |
| June 28, 2018 | St. Paul Saints 8 at Winnipeg Goldeyes 6 | Final |
| June 28, 2018 | Lincoln Saltdogs 2 at Kansas City T-Bones 6 | Final |
| June 28, 2018 | Sioux Falls Canaries 6 at Cleburne Railroaders 4 | Final |
| June 28, 2018 | Chicago Dogs 0 at Gary SouthShore Railcats 7 | Final |
| June 29, 2018 | St. Paul Saints 1 at Winnipeg Goldeyes 5 | Final |
| June 29, 2018 | Fargo-Moorhead RedHawks 1 at Chicago Dogs 7 | Final |
| June 29, 2018 | Gary SouthShore Railcats 2 at Lincoln Saltdogs 8 | Final |
| June 29, 2018 | Sioux Falls Canaries 6 at Texas AirHogs 3 | Final |
| June 29, 2018 | Sioux City Explorers 13 at Wichita Wingnuts 9 | Final |
| June 29, 2018 | Kansas City T-Bones 13 at Cleburne Railroaders 14 | Final |
| June 30, 2018 | St. Paul Saints 6 at Winnipeg Goldeyes 5 | Final (12) |
| June 30, 2018 | Fargo-Moorhead RedHawks 1 at Chicago Dogs 4 | Final |
| June 30, 2018 | Sioux Falls Canaries 8 at Texas AirHogs 1 | Final |
| June 30, 2018 | Sioux City Explorers 20 at Wichita Wingnuts 10 | Final |
| June 30, 2018 | Gary SouthShore Railcats at Lincoln Saltdogs | Ppd. |
| June 30, 2018 | Kansas City T-Bones 7 at Cleburne Railroaders 4 | Final |
| July 1, 2018 | St. Paul Saints 2 at Winnipeg Goldeyes 4 | Final |
| July 1, 2018 | Fargo-Moorhead RedHawks 3 at Chicago Dogs 6 | Final |
| July 1, 2018 | Gary SouthShore Railcats 0 at Lincoln Saltdogs 1 (Game 1) | Final (7) |
| July 1, 2018 | Gary SouthShore Railcats 5 at Lincoln Saltdogs 2 (Game 2) | Final (7) |
| July 1, 2018 | Sioux City Explorers 10 at Wichita Wingnuts 4 | Final |
| July 1, 2018 | Kansas City T-Bones 2 at Cleburne Railroaders 5 | Final |
| July 1, 2018 | Sioux Falls Canaries 6 at Texas AirHogs 7 | Final |
| July 2, 2018 | Fargo-Moorhead RedHawks 4 at St. Paul Saints 0 | Final |
| July 2, 2018 | Gary SouthShore Railcats 5 at Chicago Dogs 1 | Final |
| July 2, 2018 | Sioux Falls Canaries 2 at Kansas City T-Bones 3 | Final |
| July 2, 2018 | Winnipeg Goldeyes 4 at Sioux City Explorers 5 | Final |
| July 2, 2018 | Texas AirHogs 3 at Cleburne Railroaders 5 | Final |
| July 3, 2018 | Cleburne Railroaders 4 at Texas AirHogs 5 | Final |
| July 3, 2018 | Gary SouthShore Railcats 5 at Chicago Dogs 7 | Final |
| July 3, 2018 | St. Paul Saints 7 at Fargo-Moorhead RedHawks 6 | Final |
| July 3, 2018 | Sioux Falls Canaries 14 at Kansas City T-Bones 1 | Final |
| July 3, 2018 | Winnipeg Goldeyes 0 at Sioux City Explorers 4 | Final |
| July 3, 2018 | Lincoln Saltdogs 11 at Wichita Wingnuts 4 | Final |
| July 4, 2018 | Chicago Dogs 5 at Gary SouthShore Railcats 4 (Game 1) | Final (7) |
| July 4, 2018 | Chicago Dogs at Gary SouthShore Railcats (Game 2) | Susp. |
| July 4, 2018 | Texas AirHogs 6 at Cleburne Railroaders 1 | Final |
| July 4, 2018 | Lincoln Saltdogs 1 at Wichita Wingnuts 8 | Final |
| July 4, 2018 | St. Paul Saints 8 at Fargo-Moorhead RedHawks 5 | Final |
| July 4, 2018 | Sioux Falls Canaries 2 at Kansas City T-Bones 3 | Final |
| July 4, 2018 | Winnipeg Goldeyes 6 at Sioux City Explorers 13 | Final |
| July 5, 2018 | Kansas City T-Bones 4 at Texas AirHogs 3 (Game 1) | Final (8) |
| July 5, 2018 | Kansas City T-Bones 1 at Texas AirHogs 0 (Game 2) | Final (7) |
| July 5, 2018 | Winnipeg Goldeyes 4 at Fargo-Moorhead RedHawks 9 | Final |
| July 5, 2018 | Lincoln Saltdogs 3 at Wichita Wingnuts 5 | Final |
| July 6, 2018 | Winnipeg Goldeyes 1 at Fargo-Moorhead RedHawks 9 | Final |
| July 6, 2018 | Cleburne Railroaders 5 at Chicago Dogs 4 | Final |
| July 6, 2018 | Wichita Wingnuts 2 at Sioux City Explorers 4 | Final |
| July 6, 2018 | Gary SouthShore Railcats 0 at Sioux Falls Canaries 1 | Final |
| July 6, 2018 | Lincoln Saltdogs 7 at St. Paul Saints 6 | Final |
| July 6, 2018 | Kansas City T-Bones 6 at Texas AirHogs 2 | Final |
| July 7, 2018 | Winnipeg Goldeyes 6 at Fargo-Moorhead RedHawks 7 | Final |
| July 7, 2018 | Gary SouthShore Railcats 5 at Sioux Falls Canaries 7 | Final |
| July 7, 2018 | Cleburne Railroaders 4 at Chicago Dogs 5 | Final |
| July 7, 2018 | Wichita Wingnuts 9 at Sioux City Explorers 5 | Final |
| July 7, 2018 | Lincoln Saltdogs 1 at St. Paul Saints 3 | Final |
| July 7, 2018 | Kansas City T-Bones 5 at Texas AirHogs 6 | Final |
| July 8, 2018 | Winnipeg Goldeyes 2 at Fargo-Moorhead RedHawks 8 | Final |
| July 8, 2018 | Cleburne Railroaders 2 at Chicago Dogs 6 | Final |
| July 8, 2018 | Gary SouthShore Railcats 6 at Sioux Falls Canaries 4 | Final |
| July 8, 2018 | Lincoln Saltdogs 6 at St. Paul Saints 3 | Final |
| July 8, 2018 | Wichita Wingnuts 11 at Sioux City Explorers 8 | Final |
| July 9, 2018 | Kansas City T-Bones 12 at Lincoln Saltdogs 9 | Final |
| July 9, 2018 | Sioux Falls Canaries 4 at Winnipeg Goldeyes 5 | Final |
| July 9, 2018 | Sioux City Explorers 3 at Chicago Dogs 2 | Final |
| July 9, 2018 | Cleburne Railroaders 5 at St. Paul Saints 8 | Final |
| July 9, 2018 | Fargo-Moorhead RedHawks 5 at Wichita Wingnuts 3 | Final (12) |
| July 9, 2018 | Texas AirHogs 5 at Gary SouthShore Railcats 3 | Final |
| July 10, 2018 | Sioux Falls Canaries 4 at Winnipeg Goldeyes 2 | Final (18) |
| July 10, 2018 | Texas AirHogs 7 at Gary SouthShore Railcats 4 | Final |
| July 10, 2018 | Kansas City T-Bones 2 at Lincoln Saltdogs 1 | Final |
| July 10, 2018 | Sioux City Explorers 3 at Chicago Dogs 5 | Final |
| July 10, 2018 | Cleburne Railroaders 4 at St. Paul Saints 5 | Final |
| July 10, 2018 | Fargo-Moorhead RedHawks 3 at Wichita Wingnuts 8 | Final |
| July 11, 2018 | Fargo-Moorhead RedHawks 8 at Wichita Wingnuts 5 | Final |
| July 11, 2018 | Sioux City Explorers 7 at Chicago Dogs 2 | Final |
| July 11, 2018 | Cleburne Railroaders 3 at St. Paul Saints 10 | Final |
| July 11, 2018 | Kansas City T-Bones 8 at Lincoln Saltdogs 5 | Final |
| July 11, 2018 | Sioux Falls Canaries 0 at Winnipeg Goldeyes 4 | Final |
| July 11, 2018 | Texas AirHogs 2 at Gary SouthShore Railcats 3 | Final |
| July 12, 2018 | Sioux Falls Canaries 12 at Winnipeg Goldeyes 8 | Final |
| July 12, 2018 | St. Paul Saints 9 at Kansas City T-Bones 2 | Final |
| July 12, 2018 | Texas AirHogs 2 at Wichita Wingnuts 6 | Final |
| July 13, 2018 | Gary SouthShore Railcats 8 at Winnipeg Goldeyes 1 | Final |
| July 13, 2018 | St. Paul Saints 4 at Kansas City T-Bones 1 | Final |
| July 13, 2018 | Lincoln Saltdogs 3 at Sioux City Explorers 11 | Final |
| July 13, 2018 | Fargo-Moorhead RedHawks 11 at Sioux Falls Canaries 3 | Final |
| July 13, 2018 | Texas AirHogs 3 at Wichita Wingnuts 12 | Final |
| July 13, 2018 | Chicago Dogs 4 at Cleburne Railroaders 7 | Final |
| July 14, 2018 | Gary SouthShore Railcats 9 at Winnipeg Goldeyes 5 | Final |
| July 14, 2018 | Fargo-Moorhead RedHawks 12 at Sioux Falls Canaries 5 | Final |
| July 14, 2018 | St. Paul Saints 10 at Kansas City T-Bones 8 | Final |
| July 14, 2018 | Lincoln Saltdogs 7 at Sioux City Explorers 8 | Final |
| July 14, 2018 | Texas AirHogs 6 at Wichita Wingnuts 8 | Final |
| July 14, 2018 | Chicago Dogs 7 at Cleburne Railroaders 6 | Final |
| July 15, 2018 | Gary SouthShore Railcats 6 at Winnipeg Goldeyes 10 | Final |
| July 15, 2018 | Fargo-Moorhead RedHawks 3 at Sioux Falls Canaries 9 | Final |
| July 15, 2018 | Texas AirHogs 2 at Wichita Wingnuts 9 | Final |
| July 15, 2018 | St. Paul Saints 2 at Kansas City T-Bones 5 | Final |
| July 15, 2018 | Chicago Dogs 3 at Cleburne Railroaders 4 | Final (14) |
| July 15, 2018 | Lincoln Saltdogs 2 at Sioux City Explorers 1 | Susp. |
| July 16, 2018 | Wichita Wingnuts 2 at Lincoln Saltdogs 3 | Final (11) |
| July 16, 2018 | Fargo-Moorhead RedHawks 6 at Sioux Falls Canaries 1 | Final |
| July 16, 2018 | Chicago Dogs 2 at Texas AirHogs 3 (Game 1) | Final (7) |
| July 16, 2018 | Chicago Dogs 5 at Texas AirHogs 1 (Game 2) | Final (7) |
| July 16, 2018 | Kansas City T-Bones 10 at Cleburne Railroaders 4 | Final |
| July 17, 2018 | Wichita Wingnuts 7 at Lincoln Saltdogs 8 | Final |
| July 17, 2018 | Gary SouthShore Railcats 3 at Fargo-Moorhead RedHawks 2 | Final |
| July 17, 2018 | St. Paul Saints 7 at Sioux City Explorers 4 | Final |
| July 17, 2018 | Winnipeg Goldeyes 5 at Sioux Falls Canaries 1 | Final |
| July 17, 2018 | Chicago Dogs 1 at Texas AirHogs 3 | Final |
| July 17, 2018 | Kansas City T-Bones 11 at Cleburne Railroaders 7 | Final (10) |
| July 18, 2018 | Wichita Wingnuts 5 at Lincoln Saltdogs 2 | Final |
| July 18, 2018 | Gary SouthShore Railcats 8 at Fargo-Moorhead RedHawks 2 | Final |
| July 18, 2018 | St. Paul Saints 6 at Sioux City Explorers 1 | Final |
| July 18, 2018 | Winnipeg Goldeyes 4 at Sioux Falls Canaries 7 | Final |
| July 18, 2018 | Chicago Dogs 10 at Texas AirHogs 6 | Final |
| July 18, 2018 | Kansas City T-Bones 8 at Cleburne Railroaders 3 | Final |
| July 19, 2018 | Gary SouthShore Railcats at Fargo-Moorhead RedHawks | Ppd. |
| July 19, 2018 | St. Paul Saints 2 at Sioux City Explorers 5 | Final |
| July 19, 2018 | Winnipeg Goldeyes 8 at Sioux Falls Canaries 10 | Final |
| July 19, 2018 | Cleburne Railroaders 3 at Wichita Wingnuts 2 | Final |
| July 20, 2018 | Winnipeg Goldeyes 1 at Fargo-Moorhead RedHawks 3 | Final |
| July 20, 2018 | Sioux Falls Canaries 5 at Chicago Dogs 9 | Final |
| July 20, 2018 | Texas AirHogs 11 at Kansas City T-Bones 9 | Final (10) |
| July 20, 2018 | Sioux City Explorers 6 at Lincoln Saltdogs 5 | Final |
| July 20, 2018 | Cleburne Railroaders 3 at Wichita Wingnuts 6 | Final |
| July 20, 2018 | St. Paul Saints at Gary SouthShore Railcats | Susp. |
| July 21, 2018 | Winnipeg Goldeyes 3 at Fargo-Moorhead RedHawks 5 | Final |
| July 21, 2018 | St. Paul Saints 0 at Gary SouthShore Railcats 3 (Game 1) | Final |
| July 21, 2018 | St. Paul Saints 1 at Gary SouthShore Railcats 6 (Game 2) | Final (7) |
| July 21, 2018 | Sioux Falls Canaries 8 at Chicago Dogs 5 | Final |
| July 21, 2018 | Texas AirHogs 0 at Kansas City T-Bones 1 | Final (11) |
| July 21, 2018 | Sioux City Explorers 6 at Lincoln Saltdogs 5 | Final |
| July 21, 2018 | Cleburne Railroaders 1 at Wichita Wingnuts 3 | Final |
| July 22, 2018 | Winnipeg Goldeyes 10 at Fargo-Moorhead RedHawks 2 | Final |
| July 22, 2018 | Sioux Falls Canaries 3 at Chicago Dogs 9 | Final |
| July 22, 2018 | Texas AirHogs 0 at Kansas City T-Bones 4 | Final |
| July 22, 2018 | Sioux City Explorers 2 at Lincoln Saltdogs 3 | Final |
| July 22, 2018 | Cleburne Railroaders 0 at Wichita Wingnuts 2 | Final |
| July 22, 2018 | St. Paul Saints 5 at Gary SouthShore Railcats 6 | Final (11) |
| July 23, 2018 | Fargo-Moorhead RedHawks 8 at Chicago Dogs 2 | Final |
| July 23, 2018 | Cleburne Railroaders 1 at Sioux City Explorers 6 | Final |
| July 23, 2018 | Sioux Falls Canaries 10 at Gary SouthShore Railcats 4 | Final |
| July 24, 2018 | Fargo-Moorhead RedHawks 10 at Chicago Dogs 5 | Final |
| July 24, 2018 | Texas AirHogs 0 at Winnipeg Goldeyes 13 | Final |
| July 24, 2018 | Lincoln Saltdogs 3 at Kansas City T-Bones 6 | Final |
| July 24, 2018 | Cleburne Railroaders 2 at Sioux City Explorers 11 | Final |
| July 24, 2018 | Sioux Falls Canaries 3 at Gary SouthShore Railcats 15 | Final |
| July 25, 2018 | Texas AirHogs 2 at Winnipeg Goldeyes 8 | Final |
| July 25, 2018 | Fargo-Moorhead RedHawks 5 at Chicago Dogs 8 | Final |
| July 25, 2018 | Lincoln Saltdogs 4 at Kansas City T-Bones 7 | Final |
| July 25, 2018 | Cleburne Railroaders 3 at Sioux City Explorers 6 | Final |
| July 25, 2018 | Wichita Wingnuts 0 at St. Paul Saints 5 | Final |
| July 25, 2018 | Sioux Falls Canaries 0 at Gary SouthShore Railcats 8 | Final |
| July 26, 2018 | Texas AirHogs 4 at Winnipeg Goldeyes 5 | Final |
| July 26, 2018 | Lincoln Saltdogs 8 at Kansas City T-Bones 5 | Final (12) |
| July 26, 2018 | Cleburne Railroaders 1 at Sioux City Explorers 13 | Final |
| July 26, 2018 | Wichita Wingnuts 2 at St. Paul Saints 3 | Final |
| July 27, 2018 | Gary SouthShore Railcats 7 at Cleburne Railroaders 3 (Game 1) | Final (7) |
| July 27, 2018 | Gary SouthShore Railcats 9 at Cleburne Railroaders 3 (Game 2) | Final (7) |
| July 27, 2018 | Fargo-Moorhead RedHawks 4 at Winnipeg Goldeyes 0 | Final |
| July 27, 2018 | Chicago Dogs 0 at Kansas City T-Bones 4 | Final |
| July 27, 2018 | Lincoln Saltdogs 3 at Sioux City Explorers 6 (Game 1) | Final |
| July 27, 2018 | Lincoln Saltdogs 3 at Sioux City Explorers 5 (Game 2) | Final (7) |
| July 27, 2018 | Wichita Wingnuts 11 at Sioux Falls Canaries 8 | Final |
| July 27, 2018 | Texas AirHogs 1 at St. Paul Saints 3 | Final |
| July 28, 2018 | Fargo-Moorhead RedHawks 7 at Winnipeg Goldeyes 4 | Final |
| July 28, 2018 | Wichita Wingnuts 4 at Sioux Falls Canaries 0 | Final |
| July 28, 2018 | Chicago Dogs 3 at Kansas City T-Bones 4 | Final (10) |
| July 28, 2018 | Lincoln Saltdogs 1 at Sioux City Explorers 2 | Final |
| July 28, 2018 | Texas AirHogs 14 at St. Paul Saints 9 | Final |
| July 28, 2018 | Gary SouthShore Railcats 11 at Cleburne Railroaders 4 | Final |
| July 29, 2018 | Fargo-Moorhead RedHawks 4 at Winnipeg Goldeyes 2 | Final |
| July 29, 2018 | Chicago Dogs 3 at Kansas City T-Bones 2 | Final |
| July 29, 2018 | Wichita Wingnuts 5 at Sioux Falls Canaries 3 | Final |
| July 29, 2018 | Texas AirHogs 2 at St. Paul Saints 13 | Final |
| July 29, 2018 | Gary SouthShore Railcats 15 at Cleburne Railroaders 8 | Final |
| July 29, 2018 | Lincoln Saltdogs 2 at Sioux City Explorers 4 | Final |
| July 30, 2018 | St. Paul Saints 7 at Fargo-Moorhead RedHawks 9 | Final |
| July 30, 2018 | Wichita Wingnuts 7 at Chicago Dogs 6 | Final |
| July 30, 2018 | Gary SouthShore Railcats 11 at Cleburne Railroaders 5 | Final |
| July 31, 2018 | Winnipeg Goldeyes 3 at Lincoln Saltdogs 6 | Final |
| July 31, 2018 | St. Paul Saints 0 at Fargo-Moorhead RedHawks 6 | Final |
| July 31, 2018 | Wichita Wingnuts 5 at Chicago Dogs 2 | Final |
| July 31, 2018 | Kansas City T-Bones 8 at Sioux Falls Canaries 4 | Final |
| July 31, 2018 | Gary SouthShore Railcats 4 at Texas AirHogs 0 | Final |
| July 31, 2018 | Sioux City Explorers 5 at Cleburne Railroaders 4 | Final (10) |
| August 1, 2018 | Winnipeg Goldeyes 6 at Lincoln Saltdogs 3 | Final (10) |
| August 1, 2018 | St. Paul Saints 7 at Fargo-Moorhead RedHawks 5 | Final |
| August 1, 2018 | Wichita Wingnuts 3 at Chicago Dogs 5 | Final |
| August 1, 2018 | Kansas City T-Bones 12 at Sioux Falls Canaries 5 | Final |
| August 1, 2018 | Gary SouthShore Railcats 1 at Texas AirHogs 2 | Final |
| August 1, 2018 | Sioux City Explorers 3 at Cleburne Railroaders 5 | Final |
| August 2, 2018 | St. Paul Saints 2 at Fargo-Moorhead RedHawks 5 | Final |
| August 2, 2018 | Wichita Wingnuts 3 at Chicago Dogs 8 | Final |
| August 2, 2018 | Winnipeg Goldeyes 5 at Lincoln Saltdogs 4 | Final |
| August 2, 2018 | Kansas City T-Bones 9 at Sioux Falls Canaries 6 | Final |
| August 2, 2018 | Sioux City Explorers 6 at Texas AirHogs 2 | Final |
| August 3, 2018 | Chicago Dogs 5 at Winnipeg Goldeyes 3 | Final |
| August 3, 2018 | Cleburne Railroaders 9 at Fargo-Moorhead RedHawks 6 | Final (:05 P) |
| August 3, 2018 | Sioux Falls Canaries 8 at Lincoln Saltdogs 6 | Final |
| August 3, 2018 | Kansas City T-Bones 1 at St. Paul Saints 4 | Final (6) |
| August 3, 2018 | Sioux City Explorers 3 at Texas AirHogs 2 | Final |
| August 3, 2018 | Wichita Wingnuts 2 at Gary SouthShore Railcats 7 | Final |
| August 4, 2018 | Cleburne Railroaders 8 at Fargo-Moorhead RedHawks 5 | Final |
| August 4, 2018 | Chicago Dogs 1 at Winnipeg Goldeyes 3 | Final (7) |
| August 4, 2018 | Wichita Wingnuts 11 at Gary SouthShore Railcats 1 | Final |
| August 4, 2018 | Sioux Falls Canaries 2 at Lincoln Saltdogs 5 | Final |
| August 4, 2018 | Kansas City T-Bones 2 at St. Paul Saints 10 | Final |
| August 4, 2018 | Sioux City Explorers 14 at Texas AirHogs 1 | Final |
| August 5, 2018 | Cleburne Railroaders 4 at Fargo-Moorhead RedHawks 7 | Final |
| August 5, 2018 | Chicago Dogs 1 at Winnipeg Goldeyes 2 | Final |
| August 5, 2018 | Sioux Falls Canaries 12 at Lincoln Saltdogs 3 | Final |
| August 5, 2018 | Wichita Wingnuts 1 at Gary SouthShore Railcats 4 | Final |
| August 5, 2018 | Kansas City T-Bones 3 at St. Paul Saints 9 | Final |
| August 5, 2018 | Sioux City Explorers 8 at Texas AirHogs 2 | Final |
| August 6, 2018 | Cleburne Railroaders 6 at Winnipeg Goldeyes 3 | Final |
| August 6, 2018 | Chicago Dogs 3 at Fargo-Moorhead RedHawks 4 | Final |
| August 6, 2018 | Texas AirHogs 2 at Kansas City T-Bones 4 | Final |
| August 6, 2018 | Wichita Wingnuts 6 at Sioux City Explorers 2 | Final |
| August 6, 2018 | St. Paul Saints 6 at Sioux Falls Canaries 4 | Final |
| August 6, 2018 | Lincoln Saltdogs 4 at Gary SouthShore Railcats 3 | Final |
| August 7, 2018 | Cleburne Railroaders 1 at Winnipeg Goldeyes 7 | Final |
| August 7, 2018 | Chicago Dogs 12 at Fargo-Moorhead RedHawks 7 | Final |
| August 7, 2018 | Texas AirHogs 4 at Kansas City T-Bones 6 | Final |
| August 7, 2018 | Wichita Wingnuts 3 at Sioux City Explorers 0 | Final |
| August 7, 2018 | St. Paul Saints 5 at Sioux Falls Canaries 7 | Final |
| August 7, 2018 | Lincoln Saltdogs 1 at Gary SouthShore Railcats 2 | Final (12) |
| August 8, 2018 | St. Paul Saints 7 at Sioux Falls Canaries 10 | Final |
| August 8, 2018 | Cleburne Railroaders 12 at Winnipeg Goldeyes 7 | Final |
| August 8, 2018 | Chicago Dogs 9 at Fargo-Moorhead RedHawks 8 | Final |
| August 8, 2018 | Texas AirHogs 2 at Kansas City T-Bones 4 | Final |
| August 8, 2018 | Wichita Wingnuts 10 at Sioux City Explorers 5 | Final |
| August 8, 2018 | Lincoln Saltdogs 5 at Gary SouthShore Railcats 1 | Final |
| August 9, 2018 | Texas AirHogs 4 at Lincoln Saltdogs 9 | Final |
| August 9, 2018 | Kansas City T-Bones 5 at Sioux City Explorers 7 | Final |
| August 9, 2018 | Fargo-Moorhead RedHawks 1 at Sioux Falls Canaries 3 | Final |
| August 9, 2018 | Gary SouthShore Railcats 5 at St. Paul Saints 7 | Final |
| August 10, 2018 | Winnipeg Goldeyes 9 at Chicago Dogs 11 | Final |
| August 10, 2018 | Texas AirHogs 6 at Lincoln Saltdogs 16 | Final |
| August 10, 2018 | Kansas City T-Bones 2 at Sioux City Explorers 3 | Final (11) |
| August 10, 2018 | Fargo-Moorhead RedHawks 2 at Sioux Falls Canaries 5 | Final |
| August 10, 2018 | Gary SouthShore Railcats 1 at St. Paul Saints 9 | Final |
| August 10, 2018 | Wichita Wingnuts 3 at Cleburne Railroaders 1 | Final |
| August 11, 2018 | Fargo-Moorhead RedHawks 1 at Sioux Falls Canaries 2 | Final |
| August 11, 2018 | Winnipeg Goldeyes 1 at Chicago Dogs 4 | Final |
| August 11, 2018 | Texas AirHogs 4 at Lincoln Saltdogs 1 | Final |
| August 11, 2018 | Kansas City T-Bones 2 at Sioux City Explorers 1 | Final |
| August 11, 2018 | Gary SouthShore Railcats 4 at St. Paul Saints 2 | Final |
| August 11, 2018 | Wichita Wingnuts 5 at Cleburne Railroaders 9 | Final |
| August 12, 2018 | Winnipeg Goldeyes 2 at Chicago Dogs 1 | Final |
| August 12, 2018 | Texas AirHogs 3 at Lincoln Saltdogs 10 | Final |
| August 12, 2018 | Fargo-Moorhead RedHawks 6 at Sioux Falls Canaries 4 | Final |
| August 12, 2018 | Gary SouthShore Railcats 5 at St. Paul Saints 9 | Final |
| August 12, 2018 | Wichita Wingnuts 13 at Cleburne Railroaders 6 | Final |
| August 12, 2018 | Kansas City T-Bones 3 at Sioux City Explorers 11 | Final |
| August 13, 2018 | Sioux Falls Canaries 12 at St. Paul Saints 8 | Final |
| August 13, 2018 | Wichita Wingnuts 7 at Cleburne Railroaders 4 | Final |
| August 13, 2018 | Winnipeg Goldeyes 2 at Gary SouthShore Railcats 1 | Final |
| August 14, 2018 | Sioux Falls Canaries 4 at St. Paul Saints 11 | Final |
| August 14, 2018 | Cleburne Railroaders 16 at Texas AirHogs 0 | Final |
| August 14, 2018 | Fargo-Moorhead RedHawks at Kansas City T-Bones | Ppd. |
| August 14, 2018 | Lincoln Saltdogs at Wichita Wingnuts | Ppd. |
| August 14, 2018 | Winnipeg Goldeyes 2 at Gary SouthShore Railcats 5 | Final |
| August 15, 2018 | Sioux Falls Canaries 8 at St. Paul Saints 11 | Final |
| August 15, 2018 | Fargo-Moorhead RedHawks 5 at Kansas City T-Bones 4 (Game 1) | Final (10) |
| August 15, 2018 | Fargo-Moorhead RedHawks 3 at Kansas City T-Bones 0 (Game 2) | Final (7) |
| August 15, 2018 | Lincoln Saltdogs 5 at Wichita Wingnuts 2 (Game 1) | Final (7) |
| August 15, 2018 | Lincoln Saltdogs 7 at Wichita Wingnuts 1 (Game 2) | Final (7) |
| August 15, 2018 | Chicago Dogs 2 at Sioux City Explorers 3 | Final |
| August 15, 2018 | Cleburne Railroaders 13 at Texas AirHogs 5 | Final |
| August 15, 2018 | Winnipeg Goldeyes 4 at Gary SouthShore Railcats 6 | Final |
| August 16, 2018 | Fargo-Moorhead RedHawks 8 at Kansas City T-Bones 9 | Final (10) |
| August 16, 2018 | Chicago Dogs 2 at Sioux City Explorers 1 | Final (10) |
| August 16, 2018 | Sioux Falls Canaries 4 at St. Paul Saints 8 | Final |
| August 16, 2018 | Cleburne Railroaders 3 at Texas AirHogs 4 | Final |
| August 16, 2018 | Lincoln Saltdogs 8 at Wichita Wingnuts 9 | Final |
| August 17, 2018 | Sioux City Explorers 6 at Winnipeg Goldeyes 2 | Final |
| August 17, 2018 | Cleburne Railroaders 5 at Kansas City T-Bones 6 | Final (11) |
| August 17, 2018 | Fargo-Moorhead RedHawks 1 at St. Paul Saints 10 | Final |
| August 17, 2018 | Lincoln Saltdogs 8 at Texas AirHogs 1 | Final |
| August 17, 2018 | Chicago Dogs 5 at Wichita Wingnuts 2 | Final |
| August 17, 2018 | Sioux Falls Canaries 3 at Gary SouthShore Railcats 4 | Final |
| August 18, 2018 | Sioux City Explorers 2 at Winnipeg Goldeyes 0 | Final |
| August 18, 2018 | Sioux Falls Canaries 3 at Gary SouthShore Railcats 4 | Final |
| August 18, 2018 | Cleburne Railroaders 3 at Kansas City T-Bones 5 | Final |
| August 18, 2018 | Fargo-Moorhead RedHawks 8 at St. Paul Saints 4 | Final |
| August 18, 2018 | Chicago Dogs 6 at Wichita Wingnuts 2 | Final |
| August 18, 2018 | Lincoln Saltdogs at Texas AirHogs | Ppd. |
| August 19, 2018 | Sioux City Explorers 6 at Winnipeg Goldeyes 2 | Final |
| August 19, 2018 | Chicago Dogs 4 at Wichita Wingnuts 2 | Final |
| August 19, 2018 | Cleburne Railroaders 0 at Kansas City T-Bones 0 | Ppd. |
| August 19, 2018 | Sioux Falls Canaries 6 at Gary SouthShore Railcats 4 | Final |
| August 19, 2018 | Lincoln Saltdogs 5 at Texas AirHogs 6 | Final (8) |
| August 20, 2018 | Gary SouthShore Railcats 0 at Chicago Dogs 8 (Game 1) | Final (7) |
| August 20, 2018 | Gary SouthShore Railcats at Chicago Dogs (Game 2) | Ppd. |
| August 20, 2018 | Sioux City Explorers 3 at Fargo-Moorhead RedHawks 7 | Final |
| August 20, 2018 | St. Paul Saints 9 at Sioux Falls Canaries 5 | Final |
| August 20, 2018 | Winnipeg Goldeyes 3 at Wichita Wingnuts 5 | Final |
| August 20, 2018 | Texas AirHogs 2 at Cleburne Railroaders 3 | Final |
| August 21, 2018 | Kansas City T-Bones 2 at Lincoln Saltdogs 0 | Final |
| August 21, 2018 | Sioux City Explorers 19 at Fargo-Moorhead RedHawks 5 | Final |
| August 21, 2018 | Gary SouthShore Railcats 5 at Chicago Dogs 1 | Final |
| August 21, 2018 | St. Paul Saints 6 at Sioux Falls Canaries 4 | Final |
| August 21, 2018 | Winnipeg Goldeyes 3 at Wichita Wingnuts 4 | Final |
| August 21, 2018 | Texas AirHogs 5 at Cleburne Railroaders 4 | Final |
| August 22, 2018 | Kansas City T-Bones 1 at Lincoln Saltdogs 3 (Game 1) | Final |
| August 22, 2018 | Kansas City T-Bones 5 at Lincoln Saltdogs 1 (Game 2) | Final |
| August 22, 2018 | Sioux City Explorers 7 at Fargo-Moorhead RedHawks 3 | Final |
| August 22, 2018 | Gary SouthShore Railcats 0 at Chicago Dogs 4 | Final |
| August 22, 2018 | St. Paul Saints 13 at Sioux Falls Canaries 8 | Final |
| August 22, 2018 | Cleburne Railroaders 3 at Texas AirHogs 5 | Final |
| August 22, 2018 | Winnipeg Goldeyes 3 at Wichita Wingnuts 7 | Final |
| August 23, 2018 | Fargo-Moorhead RedHawks 3 at Gary SouthShore Railcats 4 (Game 1) | Final |
| August 23, 2018 | Fargo-Moorhead RedHawks 0 at Gary SouthShore Railcats 3 (Game 2) | Final (7) |
| August 23, 2018 | St. Paul Saints 3 at Chicago Dogs 1 | Final |
| August 23, 2018 | Winnipeg Goldeyes 1 at Kansas City T-Bones 11 | Final |
| August 23, 2018 | Sioux Falls Canaries 6 at Sioux City Explorers 5 | Final |
| August 23, 2018 | Wichita Wingnuts 4 at Texas AirHogs 1 | Final |
| August 23, 2018 | Lincoln Saltdogs 2 at Cleburne Railroaders 0 | Final |
| August 24, 2018 | St. Paul Saints 10 at Chicago Dogs 3 | Final |
| August 24, 2018 | Winnipeg Goldeyes 13 at Kansas City T-Bones 11 | Final |
| August 24, 2018 | Sioux Falls Canaries 3 at Sioux City Explorers 8 | Final |
| August 24, 2018 | Wichita Wingnuts 8 at Texas AirHogs 0 | Final |
| August 24, 2018 | Lincoln Saltdogs 10 at Cleburne Railroaders 3 | Final |
| August 24, 2018 | Fargo-Moorhead RedHawks 7 at Gary SouthShore Railcats 1 | Final |
| August 25, 2018 | Fargo-Moorhead RedHawks 2 at Gary SouthShore Railcats 4 | Final |
| August 25, 2018 | St. Paul Saints 4 at Chicago Dogs 12 | Final |
| August 25, 2018 | Winnipeg Goldeyes 6 at Kansas City T-Bones 18 | Final |
| August 25, 2018 | Sioux Falls Canaries 3 at Sioux City Explorers 0 | Final |
| August 25, 2018 | Wichita Wingnuts 6 at Texas AirHogs 1 | Final |
| August 25, 2018 | Lincoln Saltdogs 3 at Cleburne Railroaders 8 | Final |
| August 26, 2018 | Sioux City Explorers 5 at Kansas City T-Bones 7 | Final |
| August 26, 2018 | Texas AirHogs 0 at Lincoln Saltdogs 11 | Final |
| August 26, 2018 | Chicago Dogs 1 at Fargo-Moorhead RedHawks 3 | Final |
| August 27, 2018 | Texas AirHogs 6 at Lincoln Saltdogs 5 | Final |
| August 27, 2018 | St. Paul Saints 4 at Winnipeg Goldeyes 0 | Final |
| August 27, 2018 | Chicago Dogs 7 at Fargo-Moorhead RedHawks 0 | Final |
| August 27, 2018 | Sioux City Explorers 14 at Kansas City T-Bones 5 | Final |
| August 27, 2018 | Cleburne Railroaders 1 at Sioux Falls Canaries 2 | Final |
| August 27, 2018 | Gary SouthShore Railcats 3 at Wichita Wingnuts 8 | Final |
| August 28, 2018 | Sioux City Explorers 13 at Kansas City T-Bones 14 | Final |
| August 28, 2018 | Texas AirHogs 4 at Lincoln Saltdogs 13 | Final |
| August 28, 2018 | St. Paul Saints 3 at Winnipeg Goldeyes 2 | Final |
| August 28, 2018 | Chicago Dogs 7 at Fargo-Moorhead RedHawks 3 | Final |
| August 28, 2018 | Cleburne Railroaders 0 at Sioux Falls Canaries 5 | Final |
| August 28, 2018 | Gary SouthShore Railcats 11 at Wichita Wingnuts 8 | Final |
| August 29, 2018 | Cleburne Railroaders 3 at Lincoln Saltdogs 13 | Final |
| August 29, 2018 | Fargo-Moorhead RedHawks 2 at Winnipeg Goldeyes 3 | Final |
| August 29, 2018 | Wichita Wingnuts 6 at Kansas City T-Bones 3 | Final |
| August 29, 2018 | Texas AirHogs 0 at Sioux City Explorers 14 | Final |
| August 29, 2018 | Gary SouthShore Railcats 4 at Sioux Falls Canaries 1 | Final |
| August 29, 2018 | Chicago Dogs 1 at St. Paul Saints 2 | Final |
| August 30, 2018 | Cleburne Railroaders 6 at Lincoln Saltdogs 10 | Final |
| August 30, 2018 | Fargo-Moorhead RedHawks 3 at Winnipeg Goldeyes 5 | Final |
| August 30, 2018 | Wichita Wingnuts 0 at Kansas City T-Bones 6 | Final |
| August 30, 2018 | Texas AirHogs 0 at Sioux City Explorers 4 | Final |
| August 30, 2018 | Gary SouthShore Railcats 6 at Sioux Falls Canaries 3 | Final |
| August 30, 2018 | Chicago Dogs 6 at St. Paul Saints 3 | Final |
| August 31, 2018 | Fargo-Moorhead RedHawks 4 at Winnipeg Goldeyes 11 | Final |
| August 31, 2018 | Wichita Wingnuts 6 at Kansas City T-Bones 12 | Final |
| August 31, 2018 | Cleburne Railroaders 3 at Lincoln Saltdogs 4 | Final |
| August 31, 2018 | Texas AirHogs 3 at Sioux City Explorers 14 | Final |
| August 31, 2018 | Gary SouthShore Railcats 6 at Sioux Falls Canaries 5 | Final |
| August 31, 2018 | Chicago Dogs 7 at St. Paul Saints 5 | Final |
| September 1, 2018 | Kansas City T-Bones 1 at Gary SouthShore Railcats 9 | Final |
| September 1, 2018 | Sioux Falls Canaries 2 at Fargo-Moorhead RedHawks 9 | Final |
| September 1, 2018 | Winnipeg Goldeyes 5 at St. Paul Saints 2 | Final |
| September 1, 2018 | Sioux City Explorers 2 at Wichita Wingnuts 4 | Final |
| September 1, 2018 | Lincoln Saltdogs at Chicago Dogs | Susp. |
| September 1, 2018 | Texas AirHogs 1 at Cleburne Railroaders 9 | Final |
| September 2, 2018 | Sioux Falls Canaries 1 at Fargo-Moorhead RedHawks 3 | Final |
| September 2, 2018 | Sioux City Explorers 4 at Wichita Wingnuts 0 | Final |
| September 2, 2018 | Lincoln Saltdogs 3 at Chicago Dogs 1 (Game 1) | Final |
| September 2, 2018 | Lincoln Saltdogs 3 at Chicago Dogs 6 (Game 2) | Final (7) |
| September 2, 2018 | Winnipeg Goldeyes 5 at St. Paul Saints 6 | Final |
| September 2, 2018 | Cleburne Railroaders 8 at Texas AirHogs 5 | Final |
| September 2, 2018 | Kansas City T-Bones 3 at Gary SouthShore Railcats 2 | Final (:11 P) |
| September 3, 2018 | Winnipeg Goldeyes 10 at St. Paul Saints 11 | Final |
| September 3, 2018 | Sioux Falls Canaries 7 at Fargo-Moorhead RedHawks 1 | Final |
| September 3, 2018 | Lincoln Saltdogs at Chicago Dogs | Cancelled |
| September 3, 2018 | Texas AirHogs 4 at Cleburne Railroaders 15 | Final |
| September 3, 2018 | Kansas City T-Bones 2 at Gary SouthShore Railcats 3 | Final |
| September 3, 2018 | Sioux City Explorers 1 at Wichita Wingnuts 4 | Final |
| September 4, 2018 | Gary SouthShore Railcats at St. Paul Saints (Playoff Gm. 1) | Ppd. |
| September 4, 2018 | Sioux City Explorers 4 at Kansas City T-Bones 1 (Playoff Gm. 1) | Final |
| September 5, 2018 | Sioux City Explorers 2 at Kansas City T-Bones 4 (Playoff Gm. 2) | Final |
| September 5, 2018 | Gary SouthShore Railcats 0 at St. Paul Saints 4 (Playoff Gm. 1) | Final |
| September 6, 2018 | Gary SouthShore Railcats 2 at St. Paul Saints 8 (Playoff Gm. 2) | Final |
| September 7, 2018 | Kansas City T-Bones 5 at Sioux City Explorers 2 (Playoff Gm. 3) | Final |
| September 7, 2018 | St. Paul Saints 0 at Gary SouthShore Railcats 5 (Playoff Gm. 3) | Final |
| September 8, 2018 | St. Paul Saints 1 at Gary SouthShore Railcats 0 (Playoff Gm. 4) | Final |
| September 8, 2018 | Kansas City T-Bones 0 at Sioux City Explorers 5 (Playoff Gm. 4) | Final |
| September 9, 2018 | Kansas City T-Bones 4 at Sioux City Explorers 2 (Playoff Gm. 5) | Final |
| September 11, 2018 | Kansas City T-Bones 11 at St. Paul Saints 4 (Champ. Gm. 1) | Final |
| September 12, 2018 | Kansas City T-Bones 0 at St. Paul Saints 6 (Champ. Gm. 2) | Final |
| September 14, 2018 | St. Paul Saints 3 at Kansas City T-Bones 7 (Champ. Gm. 3) | Final |
| September 15, 2018 | St. Paul Saints 3 at Kansas City T-Bones 5 (Champ. Gm. 4) | Final |
American Association Schedule
