| | | |
| May 8, 2025 | | Gateway Grizzlies at Evansville Otters | Ppd. |
| May 9, 2025 | W | Gateway Grizzlies 5 at Evansville Otters 4 | Final |
| May 10, 2025 | T | Gateway Grizzlies 2 at Evansville Otters 2 (Game 1) | Final |
| May 10, 2025 | W | Gateway Grizzlies 4 at Evansville Otters 0 (Game 2) | Final |
| May 13, 2025 | W | Gateway Grizzlies 8 at Mississippi Mud Monsters 5 | Final |
| May 14, 2025 | W | Gateway Grizzlies 9 at Mississippi Mud Monsters 8 | Final (10) |
| May 15, 2025 | W | Gateway Grizzlies 6 at Mississippi Mud Monsters 1 | Final |
| May 16, 2025 | W | Trois-Rivieres Aigles 7 at Gateway Grizzlies 9 | Final |
| May 17, 2025 | L | Trois-Rivieres Aigles 4 at Gateway Grizzlies 0 | Final |
| May 18, 2025 | W | Trois-Rivieres Aigles 2 at Gateway Grizzlies 21 | Final |
| May 20, 2025 | W | Gateway Grizzlies 6 at Florence Y'alls 1 | Final |
| May 21, 2025 | L | Gateway Grizzlies 3 at Florence Y'alls 6 | Final |
| May 22, 2025 | W | Gateway Grizzlies 10 at Florence Y'alls 7 | Final |
| May 23, 2025 | W | Gateway Grizzlies 8 at Schaumburg Boomers 1 | Final |
| May 24, 2025 | L | Gateway Grizzlies 1 at Schaumburg Boomers 4 | Final |
| May 25, 2025 | W | Gateway Grizzlies 4 at Schaumburg Boomers 3 | Final |
| May 27, 2025 | L | Florence Y'alls 13 at Gateway Grizzlies 9 | Final |
| May 28, 2025 | L | Florence Y'alls 11 at Gateway Grizzlies 10 | Final |
| May 29, 2025 | | Florence Y'alls at Gateway Grizzlies | Ppd. |
| May 30, 2025 | T | Sussex County Miners 5 at Gateway Grizzlies 5 | Final |
| May 31, 2025 | W | Sussex County Miners 2 at Gateway Grizzlies 9 | Final |
| June 1, 2025 | W | Sussex County Miners 7 at Gateway Grizzlies 12 | Final |
| June 3, 2025 | W | Gateway Grizzlies 9 at Windy City ThunderBolts 6 | Final |
| June 4, 2025 | | Gateway Grizzlies at Windy City ThunderBolts | Ppd. |
| June 5, 2025 | L | Gateway Grizzlies 2 at Windy City ThunderBolts 5 (Game 1) | Final |
| June 5, 2025 | L | Gateway Grizzlies 3 at Windy City ThunderBolts 4 (Game 2) | Final |
| June 6, 2025 | W | Gateway Grizzlies 8 at Joliet Slammers 3 | Final |
| June 7, 2025 | W | Gateway Grizzlies 2 at Joliet Slammers 0 | Final |
| June 8, 2025 | W | Gateway Grizzlies 10 at Joliet Slammers 4 | Final |
| June 10, 2025 | | Gateway Grizzlies at Tri-City ValleyCats | Ppd. |
| June 11, 2025 | L | Gateway Grizzlies 1 at Tri-City ValleyCats 6 (Game 1) | Final |
| June 11, 2025 | L | Gateway Grizzlies 3 at Tri-City ValleyCats 4 (Game 2) | Final |
| June 12, 2025 | W | Gateway Grizzlies 10 at Tri-City ValleyCats 5 | Final |
| June 13, 2025 | W | Gateway Grizzlies 10 at New York Boulders 9 | Final |
| June 14, 2025 | L | Gateway Grizzlies 10 at New York Boulders 14 | Final |
| June 15, 2025 | W | Gateway Grizzlies 6 at New York Boulders 1 | Final |
| June 17, 2025 | W | Schaumburg Boomers 10 at Gateway Grizzlies 13 | Final |
| June 18, 2025 | L | Schaumburg Boomers 17 at Gateway Grizzlies 10 | Final |
| June 19, 2025 | L | Schaumburg Boomers 5 at Gateway Grizzlies 2 | Final |
| June 20, 2025 | W | Mississippi Mud Monsters 3 at Gateway Grizzlies 18 | Final |
| June 21, 2025 | W | Mississippi Mud Monsters 0 at Gateway Grizzlies 4 | Final |
| June 22, 2025 | L | Mississippi Mud Monsters 8 at Gateway Grizzlies 7 | Final |
| June 24, 2025 | L | Evansville Otters 12 at Gateway Grizzlies 8 | Final |
| June 25, 2025 | W | Evansville Otters 4 at Gateway Grizzlies 5 | Final |
| June 26, 2025 | W | Evansville Otters 1 at Gateway Grizzlies 2 | Final |
| June 27, 2025 | W | Gateway Grizzlies 4 at Lake Erie Crushers 3 | Final |
| June 28, 2025 | L | Gateway Grizzlies 0 at Lake Erie Crushers 4 | Final |
| June 29, 2025 | W | Gateway Grizzlies 10 at Lake Erie Crushers 3 | Final |
| July 1, 2025 | W | Washington Wild Things 6 at Gateway Grizzlies 13 | Final |
| July 2, 2025 | W | Washington Wild Things 2 at Gateway Grizzlies 12 | Final |
| July 3, 2025 | W | Washington Wild Things 4 at Gateway Grizzlies 6 | Final |
| July 4, 2025 | L | Lake Erie Crushers 2 at Gateway Grizzlies 1 | Final |
| July 5, 2025 | W | Lake Erie Crushers 5 at Gateway Grizzlies 7 | Final |
| July 6, 2025 | L | Lake Erie Crushers 3 at Gateway Grizzlies 2 | Final |
| July 8, 2025 | | Joliet Slammers at Gateway Grizzlies | Ppd. |
| July 9, 2025 | W | Joliet Slammers 3 at Gateway Grizzlies 14 | Final |
| July 10, 2025 | W | Joliet Slammers 1 at Gateway Grizzlies 5 | Final |
| July 11, 2025 | W | Gateway Grizzlies 12 at Evansville Otters 3 | Final |
| July 12, 2025 | W | Gateway Grizzlies 6 at Evansville Otters 5 | Final |
| July 13, 2025 | W | Gateway Grizzlies 11 at Evansville Otters 6 | Final |
| July 18, 2025 | W | Schaumburg Boomers 3 at Gateway Grizzlies 9 | Final |
| July 19, 2025 | W | Schaumburg Boomers 7 at Gateway Grizzlies 12 | Final |
| July 20, 2025 | L | Schaumburg Boomers 5 at Gateway Grizzlies 2 | Final |
| July 22, 2025 | W | Gateway Grizzlies 2 at Joliet Slammers 1 | Final |
| July 23, 2025 | W | Gateway Grizzlies 7 at Joliet Slammers 2 | Final |
| July 24, 2025 | W | Gateway Grizzlies 7 at Joliet Slammers 2 | Final |
| July 25, 2025 | W | Gateway Grizzlies 6 at Windy City ThunderBolts 1 | Final |
| July 26, 2025 | L | Gateway Grizzlies 0 at Windy City ThunderBolts 2 | Final |
| July 27, 2025 | W | Gateway Grizzlies 5 at Windy City ThunderBolts 1 | Final |
| July 29, 2025 | L | Joliet Slammers 7 at Gateway Grizzlies 6 | Final |
| July 30, 2025 | L | Joliet Slammers 5 at Gateway Grizzlies 2 (Game 1) | Final |
| July 30, 2025 | L | Joliet Slammers 5 at Gateway Grizzlies 3 (Game 2) | Final |
| July 31, 2025 | L | Joliet Slammers 12 at Gateway Grizzlies 11 | Final |
| August 1, 2025 | L | Windy City ThunderBolts 7 at Gateway Grizzlies 3 | Final |
| August 2, 2025 | W | Windy City ThunderBolts 6 at Gateway Grizzlies 9 | Final |
| August 3, 2025 | T | Windy City ThunderBolts 3 at Gateway Grizzlies 3 | Final |
| August 5, 2025 | W | Mississippi Mud Monsters 3 at Gateway Grizzlies 9 | Final |
| August 6, 2025 | L | Mississippi Mud Monsters 2 at Gateway Grizzlies 1 | Final |
| August 7, 2025 | W | Mississippi Mud Monsters 4 at Gateway Grizzlies 5 | Final |
| August 8, 2025 | L | Gateway Grizzlies 1 at Washington Wild Things 14 | Final |
| August 9, 2025 | L | Gateway Grizzlies 0 at Washington Wild Things 4 | Final |
| August 10, 2025 | | Gateway Grizzlies at Washington Wild Things | 5:35 p.m. |
| August 12, 2025 | | Lake Erie Crushers at Gateway Grizzlies | 7:30 p.m. |
| August 13, 2025 | | Lake Erie Crushers at Gateway Grizzlies | 7:30 p.m. |
| August 14, 2025 | | Lake Erie Crushers at Gateway Grizzlies | 7:30 p.m. |
| August 15, 2025 | | Windy City ThunderBolts at Gateway Grizzlies | 7:30 p.m. |
| August 16, 2025 | | Windy City ThunderBolts at Gateway Grizzlies | 8:15 p.m. |
| August 17, 2025 | | Windy City ThunderBolts at Gateway Grizzlies | 6:30 p.m. |
| August 19, 2025 | | Gateway Grizzlies at Schaumburg Boomers | 7:30 p.m. |
| August 20, 2025 | | Gateway Grizzlies at Schaumburg Boomers | 7:30 p.m. |
| August 21, 2025 | | Gateway Grizzlies at Schaumburg Boomers | 7:30 p.m. |
| August 22, 2025 | | Gateway Grizzlies at Florence Y'alls | 7:03 p.m. |
| August 23, 2025 | | Gateway Grizzlies at Florence Y'alls | 6:40 p.m. |
| August 24, 2025 | | Gateway Grizzlies at Florence Y'alls | 1:07 p.m. |
| August 26, 2025 | | Gateway Grizzlies at Mississippi Mud Monsters | 6:30 p.m. |
| August 27, 2025 | | Gateway Grizzlies at Mississippi Mud Monsters | 11:00 a.m. |
| August 28, 2025 | | Gateway Grizzlies at Mississippi Mud Monsters | 6:30 p.m. |
| August 29, 2025 | | Evansville Otters at Gateway Grizzlies | 7:30 p.m. |
| August 30, 2025 | | Evansville Otters at Gateway Grizzlies | 7:30 p.m. |
| August 31, 2025 | | Evansville Otters at Gateway Grizzlies | 7:05 p.m. |
Gateway Grizzlies Schedule
