| | | |
| May 29, 2018 | W | Yuba-Sutter Gold Sox 5 at Klamath Falls Gems 7 | Final |
| May 30, 2018 | | Yuba-Sutter Gold Sox at Klamath Falls Gems | Ppd. |
| May 31, 2018 | W | Yuba-Sutter Gold Sox 10 at Klamath Falls Gems 11 | Final |
| June 1, 2018 | L | Klamath Falls Gems 8 at Chico Heat 11 | Final |
| June 2, 2018 | L | Klamath Falls Gems 8 at Chico Heat 9 | Final |
| June 3, 2018 | W | Klamath Falls Gems 5 at Chico Heat 2 | Final |
| June 4, 2018 | L | Klamath Falls Gems 4 at Lincoln Potters 10 | Final |
| June 5, 2018 | L | Klamath Falls Gems 5 at Lincoln Potters 13 | Final |
| June 6, 2018 | L | Klamath Falls Gems 5 at Lincoln Potters 6 | Final |
| June 7, 2018 | L | Medford Rogues 11 at Klamath Falls Gems 7 | Final |
| June 8, 2018 | W | Medford Rogues 6 at Klamath Falls Gems 9 | Final |
| June 9, 2018 | L | Medford Rogues 8 at Klamath Falls Gems 7 | Final |
| June 10, 2018 | W | Klamath Falls Gems 6 at Medford Rogues 3 | Final |
| June 12, 2018 | L | Chico Heat 12 at Klamath Falls Gems 9 | Final |
| June 13, 2018 | L | Chico Heat 17 at Klamath Falls Gems 4 | Final |
| June 14, 2018 | L | Chico Heat 8 at Klamath Falls Gems 4 | Final |
| June 15, 2018 | | Klamath Falls Gems at San Francisco Seals | Ppd. |
| June 16, 2018 | L | Klamath Falls Gems 7 at San Francisco Seals 8 (Game 1) | Final (7) |
| June 16, 2018 | L | Klamath Falls Gems 6 at San Francisco Seals 7 (Game 2) | Final (8) |
| June 17, 2018 | W | Klamath Falls Gems 4 at San Francisco Seals 0 | Final |
| June 19, 2018 | L | Klamath Falls Gems 2 at Medford Rogues 5 | Final |
| June 20, 2018 | W | Klamath Falls Gems 7 at Medford Rogues 5 | Final |
| June 21, 2018 | W | Medford Rogues 10 at Klamath Falls Gems 11 | Final |
| June 22, 2018 | W | Lincoln Potters 10 at Klamath Falls Gems 18 | Final |
| June 23, 2018 | L | Lincoln Potters 17 at Klamath Falls Gems 9 | Final |
| June 24, 2018 | L | Lincoln Potters 14 at Klamath Falls Gems 4 | Final |
| June 26, 2018 | W | Klamath Falls Gems 13 at Yuba-Sutter Gold Sox 5 | Final |
| June 27, 2018 | W | Klamath Falls Gems 17 at Yuba-Sutter Gold Sox 6 | Final |
| June 28, 2018 | W | Klamath Falls Gems 13 at Yuba-Sutter Gold Sox 8 | Final |
| June 29, 2018 | L | San Francisco Seals 8 at Klamath Falls Gems 4 | Final |
| June 30, 2018 | W | San Francisco Seals 4 at Klamath Falls Gems 8 | Final |
| July 1, 2018 | W | San Francisco Seals 9 at Klamath Falls Gems 14 | Final |
| July 3, 2018 | W | Klamath Falls Gems 12 at Medford Rogues 6 | Final |
| July 4, 2018 | L | Medford Rogues 8 at Klamath Falls Gems 0 | Final |
| July 5, 2018 | L | Medford Rogues 10 at Klamath Falls Gems 6 | Final |
| July 6, 2018 | L | Klamath Falls Gems 4 at Chico Heat 14 | Final |
| July 7, 2018 | L | Klamath Falls Gems 4 at Chico Heat 13 | Final |
| July 8, 2018 | L | Klamath Falls Gems 1 at Chico Heat 15 | Final |
| July 10, 2018 | L | Lincoln Potters 4 at Klamath Falls Gems 1 | Final |
| July 11, 2018 | L | Lincoln Potters 18 at Klamath Falls Gems 14 | Final |
| July 12, 2018 | L | Lincoln Potters 17 at Klamath Falls Gems 0 | Final |
| July 13, 2018 | W | Yuba-Sutter Gold Sox 8 at Klamath Falls Gems 10 (Game 1) | Final |
| July 13, 2018 | W | Yuba-Sutter Gold Sox 4 at Klamath Falls Gems 13 (Game 2) | Final (7) |
| July 14, 2018 | L | Yuba-Sutter Gold Sox 16 at Klamath Falls Gems 11 | Final |
| July 15, 2018 | L | Yuba-Sutter Gold Sox 9 at Klamath Falls Gems 7 | Final |
| July 16, 2018 | W | San Francisco Seals 11 at Klamath Falls Gems 13 | Final |
| July 17, 2018 | L | San Francisco Seals 9 at Klamath Falls Gems 7 | Final |
| July 18, 2018 | L | San Francisco Seals 8 at Klamath Falls Gems 7 | Final |
| July 19, 2018 | L | Klamath Falls Gems 6 at Lincoln Potters 10 | Final |
| July 20, 2018 | L | Klamath Falls Gems 6 at Lincoln Potters 10 | Final |
| July 21, 2018 | L | Klamath Falls Gems 0 at Lincoln Potters 9 | Final |
| July 24, 2018 | | Klamath Falls Gems at San Francisco Seals | 10:05 p.m. |
| July 25, 2018 | W | Klamath Falls Gems 16 at San Francisco Seals 7 (Game 1) | Final (7) |
| July 25, 2018 | W | Klamath Falls Gems 11 at San Francisco Seals 0 (Game 2) | Final (7) |
| July 26, 2018 | L | Klamath Falls Gems 9 at San Francisco Seals 16 | Final |
| July 27, 2018 | L | Chico Heat 11 at Klamath Falls Gems 2 | Final (7) |
| July 28, 2018 | | Chico Heat at Klamath Falls Gems | Cancelled |
| July 29, 2018 | | Chico Heat at Klamath Falls Gems | Cancelled |
| July 31, 2018 | | Klamath Falls Gems at Medford Rogues | Cancelled |
| August 1, 2018 | | Klamath Falls Gems at Medford Rogues | Cancelled |
Klamath Falls Gems Schedule
