| | | |
| April 4, 2025 | L | Binghamton Rumble Ponies 3 at New Hampshire Fisher Cats 1 | Final |
| April 5, 2025 | | Binghamton Rumble Ponies at New Hampshire Fisher Cats | Ppd. |
| April 6, 2025 | W | Binghamton Rumble Ponies 0 at New Hampshire Fisher Cats 1 (Game 1) | Final |
| April 6, 2025 | | Binghamton Rumble Ponies at New Hampshire Fisher Cats (Game 2) | Ppd. |
| April 8, 2025 | L | New Hampshire Fisher Cats 1 at Portland Sea Dogs 2 | Final (10) |
| April 9, 2025 | W | New Hampshire Fisher Cats 4 at Portland Sea Dogs 1 | Final |
| April 10, 2025 | L | New Hampshire Fisher Cats 3 at Portland Sea Dogs 14 | Final |
| April 11, 2025 | W | New Hampshire Fisher Cats 4 at Portland Sea Dogs 3 | Final (10) |
| April 12, 2025 | | New Hampshire Fisher Cats at Portland Sea Dogs | Ppd. |
| April 13, 2025 | | New Hampshire Fisher Cats at Portland Sea Dogs (Game 1) | Ppd. |
| April 13, 2025 | | New Hampshire Fisher Cats at Portland Sea Dogs (Game 2) | Ppd. |
| April 15, 2025 | L | Harrisburg Senators 5 at New Hampshire Fisher Cats 3 | Final |
| April 16, 2025 | W | Harrisburg Senators 9 at New Hampshire Fisher Cats 10 | Final |
| April 17, 2025 | L | Harrisburg Senators 11 at New Hampshire Fisher Cats 4 | Final |
| April 18, 2025 | W | Harrisburg Senators 5 at New Hampshire Fisher Cats 6 | Final |
| April 19, 2025 | W | Harrisburg Senators 2 at New Hampshire Fisher Cats 4 | Final |
| April 20, 2025 | L | Harrisburg Senators 3 at New Hampshire Fisher Cats 0 | Final |
| April 22, 2025 | L | New Hampshire Fisher Cats 2 at Binghamton Rumble Ponies 6 | Final |
| April 23, 2025 | L | New Hampshire Fisher Cats 0 at Binghamton Rumble Ponies 3 | Final |
| April 24, 2025 | L | New Hampshire Fisher Cats 0 at Binghamton Rumble Ponies 5 (Game 1) | Final (7) |
| April 24, 2025 | L | Binghamton Rumble Ponies 4 at New Hampshire Fisher Cats 1 (Game 2) | Final (7) |
| April 25, 2025 | W | New Hampshire Fisher Cats 5 at Binghamton Rumble Ponies 0 | Final (7) |
| April 26, 2025 | W | New Hampshire Fisher Cats 1 at Binghamton Rumble Ponies 0 | Final |
| April 27, 2025 | L | New Hampshire Fisher Cats 1 at Binghamton Rumble Ponies 2 | Final |
| April 29, 2025 | L | Portland Sea Dogs 9 at New Hampshire Fisher Cats 5 | Final |
| April 30, 2025 | W | Portland Sea Dogs 2 at New Hampshire Fisher Cats 3 (Game 1) | Final (7) |
| April 30, 2025 | L | New Hampshire Fisher Cats 2 at Portland Sea Dogs 3 (Game 2) | Final (7) |
| May 1, 2025 | L | Portland Sea Dogs 5 at New Hampshire Fisher Cats 3 | Final (10) |
| May 2, 2025 | W | Portland Sea Dogs 2 at New Hampshire Fisher Cats 8 | Final |
| May 3, 2025 | W | Portland Sea Dogs 0 at New Hampshire Fisher Cats 1 (Game 1) | Final (7) |
| May 3, 2025 | | New Hampshire Fisher Cats at Portland Sea Dogs (Game 2) | Ppd. |
| May 4, 2025 | L | Portland Sea Dogs 6 at New Hampshire Fisher Cats 5 (Game 1) | Final (7) |
| May 4, 2025 | L | New Hampshire Fisher Cats 1 at Portland Sea Dogs 5 (Game 2) | Final (7) |
| May 6, 2025 | | Hartford Yard Goats at New Hampshire Fisher Cats | Ppd. |
| May 7, 2025 | W | Hartford Yard Goats 1 at New Hampshire Fisher Cats 2 (Game 1) | Final (7) |
| May 7, 2025 | L | Hartford Yard Goats 4 at New Hampshire Fisher Cats 2 (Game 2) | Final (7) |
| May 8, 2025 | | Hartford Yard Goats at New Hampshire Fisher Cats | Ppd. |
| May 9, 2025 | | Hartford Yard Goats at New Hampshire Fisher Cats | Ppd. |
| May 10, 2025 | L | Hartford Yard Goats 7 at New Hampshire Fisher Cats 1 (Game 1) | Final (7) |
| May 10, 2025 | W | Hartford Yard Goats 1 at New Hampshire Fisher Cats 5 (Game 2) | Final (7) |
| May 11, 2025 | W | Hartford Yard Goats 2 at New Hampshire Fisher Cats 7 | Final |
| May 13, 2025 | | New Hampshire Fisher Cats at Reading Fightin Phils | Ppd. |
| May 14, 2025 | L | New Hampshire Fisher Cats 1 at Reading Fightin Phils 2 | Final |
| May 15, 2025 | L | New Hampshire Fisher Cats 10 at Reading Fightin Phils 11 | Final |
| May 16, 2025 | L | New Hampshire Fisher Cats 2 at Reading Fightin Phils 3 | Final |
| May 17, 2025 | W | New Hampshire Fisher Cats 8 at Reading Fightin Phils 7 (Game 1) | Final (7) |
| May 17, 2025 | W | New Hampshire Fisher Cats 4 at Reading Fightin Phils 3 (Game 2) | Final (7) |
| May 18, 2025 | L | New Hampshire Fisher Cats 5 at Reading Fightin Phils 6 | Final |
| May 20, 2025 | L | Somerset Patriots 5 at New Hampshire Fisher Cats 0 | Final |
| May 21, 2025 | L | Somerset Patriots 4 at New Hampshire Fisher Cats 1 | Final |
| May 22, 2025 | | Somerset Patriots at New Hampshire Fisher Cats | Ppd. |
| May 23, 2025 | L | Somerset Patriots 9 at New Hampshire Fisher Cats 6 | Final |
| May 24, 2025 | L | Somerset Patriots 7 at New Hampshire Fisher Cats 1 (Game 1) | Final (7) |
| May 24, 2025 | L | Somerset Patriots 6 at New Hampshire Fisher Cats 3 (Game 2) | Final (7) |
| May 25, 2025 | W | Somerset Patriots 5 at New Hampshire Fisher Cats 7 | Final |
| May 27, 2025 | L | New Hampshire Fisher Cats 1 at Hartford Yard Goats 4 | Final |
| May 28, 2025 | W | New Hampshire Fisher Cats 7 at Hartford Yard Goats 6 (Game 1) | Final (7) |
| May 28, 2025 | W | Hartford Yard Goats 0 at New Hampshire Fisher Cats 4 (Game 2) | Final (7) |
| May 29, 2025 | L | New Hampshire Fisher Cats 2 at Hartford Yard Goats 3 | Final |
| May 30, 2025 | W | New Hampshire Fisher Cats 4 at Hartford Yard Goats 3 | Final (10) |
| May 31, 2025 | L | New Hampshire Fisher Cats 5 at Hartford Yard Goats 14 | Final |
| June 1, 2025 | W | New Hampshire Fisher Cats 9 at Hartford Yard Goats 4 | Final |
| June 3, 2025 | W | Altoona Curve 0 at New Hampshire Fisher Cats 4 | Final |
| June 4, 2025 | W | Altoona Curve 0 at New Hampshire Fisher Cats 3 | Final |
| June 5, 2025 | W | Altoona Curve 0 at New Hampshire Fisher Cats 2 | Final |
| June 6, 2025 | | Altoona Curve at New Hampshire Fisher Cats | Ppd. |
| June 7, 2025 | W | Altoona Curve 0 at New Hampshire Fisher Cats 4 (Game 1) | Final (7) |
| June 7, 2025 | W | Altoona Curve 2 at New Hampshire Fisher Cats 5 (Game 2) | Final (7) |
| June 8, 2025 | L | Altoona Curve 11 at New Hampshire Fisher Cats 5 | Final |
| June 10, 2025 | W | New Hampshire Fisher Cats 4 at Reading Fightin Phils 3 | Final (10) |
| June 11, 2025 | W | New Hampshire Fisher Cats 5 at Reading Fightin Phils 4 | Final |
| June 12, 2025 | L | New Hampshire Fisher Cats 7 at Reading Fightin Phils 9 | Final |
| June 13, 2025 | L | New Hampshire Fisher Cats 1 at Reading Fightin Phils 11 | Final |
| June 14, 2025 | L | New Hampshire Fisher Cats 4 at Reading Fightin Phils 7 | Final (7) |
| June 15, 2025 | W | New Hampshire Fisher Cats 5 at Reading Fightin Phils 0 | Final |
| June 17, 2025 | | Somerset Patriots at New Hampshire Fisher Cats | Ppd. |
| June 18, 2025 | L | Somerset Patriots 5 at New Hampshire Fisher Cats 3 (Game 1) | Final (7) |
| June 18, 2025 | L | Somerset Patriots 6 at New Hampshire Fisher Cats 1 (Game 2) | Final (7) |
| June 19, 2025 | L | Somerset Patriots 5 at New Hampshire Fisher Cats 1 | Final |
| June 20, 2025 | L | Somerset Patriots 7 at New Hampshire Fisher Cats 5 | Final |
| June 21, 2025 | L | Somerset Patriots 11 at New Hampshire Fisher Cats 2 | Final |
| June 22, 2025 | L | Somerset Patriots 12 at New Hampshire Fisher Cats 5 | Final |
| June 24, 2025 | L | New Hampshire Fisher Cats 1 at Hartford Yard Goats 3 | Final |
| June 25, 2025 | W | New Hampshire Fisher Cats 2 at Hartford Yard Goats 1 | Final |
| June 26, 2025 | L | New Hampshire Fisher Cats 1 at Hartford Yard Goats 2 | Final |
| June 27, 2025 | L | New Hampshire Fisher Cats 1 at Hartford Yard Goats 3 | Final |
| June 28, 2025 | L | New Hampshire Fisher Cats 5 at Hartford Yard Goats 6 | Final |
| June 29, 2025 | L | New Hampshire Fisher Cats 5 at Hartford Yard Goats 7 | Final |
| July 1, 2025 | L | Portland Sea Dogs 11 at New Hampshire Fisher Cats 6 | Final (11) |
| July 2, 2025 | W | Portland Sea Dogs 1 at New Hampshire Fisher Cats 4 | Final |
| July 3, 2025 | W | Portland Sea Dogs 5 at New Hampshire Fisher Cats 7 | Final |
| July 4, 2025 | L | New Hampshire Fisher Cats 1 at Portland Sea Dogs 7 | Final |
| July 5, 2025 | W | New Hampshire Fisher Cats 4 at Portland Sea Dogs 2 | Final |
| July 6, 2025 | W | New Hampshire Fisher Cats 10 at Portland Sea Dogs 5 | Final |
| July 8, 2025 | L | New Hampshire Fisher Cats 1 at Somerset Patriots 5 | Final |
| July 9, 2025 | L | New Hampshire Fisher Cats 1 at Somerset Patriots 9 | Final (6) |
| July 10, 2025 | L | New Hampshire Fisher Cats 0 at Somerset Patriots 1 | Final |
| July 11, 2025 | L | New Hampshire Fisher Cats 3 at Somerset Patriots 5 | Final |
| July 12, 2025 | W | New Hampshire Fisher Cats 6 at Somerset Patriots 3 | Final |
| July 13, 2025 | L | New Hampshire Fisher Cats 1 at Somerset Patriots 5 | Final |
| July 18, 2025 | L | Binghamton Rumble Ponies 3 at New Hampshire Fisher Cats 1 | Final |
| July 19, 2025 | W | Binghamton Rumble Ponies 6 at New Hampshire Fisher Cats 11 | Final |
| July 20, 2025 | L | Binghamton Rumble Ponies 12 at New Hampshire Fisher Cats 9 | Final |
| July 22, 2025 | L | Hartford Yard Goats 4 at New Hampshire Fisher Cats 2 | Final |
| July 23, 2025 | W | Hartford Yard Goats 2 at New Hampshire Fisher Cats 10 | Final |
| July 24, 2025 | L | Hartford Yard Goats 6 at New Hampshire Fisher Cats 3 | Final |
| July 25, 2025 | W | Hartford Yard Goats 3 at New Hampshire Fisher Cats 7 | Final |
| July 26, 2025 | W | Hartford Yard Goats 0 at New Hampshire Fisher Cats 6 | Final |
| July 27, 2025 | | Hartford Yard Goats at New Hampshire Fisher Cats | Cancelled |
| July 29, 2025 | L | New Hampshire Fisher Cats 1 at Chesapeake Baysox 6 | Final |
| July 30, 2025 | W | New Hampshire Fisher Cats 7 at Chesapeake Baysox 5 | Final |
| July 31, 2025 | | New Hampshire Fisher Cats at Chesapeake Baysox | Ppd. |
| August 1, 2025 | W | New Hampshire Fisher Cats 9 at Chesapeake Baysox 2 | Final |
| August 2, 2025 | | New Hampshire Fisher Cats at Chesapeake Baysox (Game 1) | 5:05 p.m. |
| August 2, 2025 | | New Hampshire Fisher Cats at Chesapeake Baysox (Game 2) | Game 2 |
| August 3, 2025 | | New Hampshire Fisher Cats at Chesapeake Baysox | 1:05 p.m. |
| August 5, 2025 | | Reading Fightin Phils at New Hampshire Fisher Cats | 6:35 p.m. |
| August 6, 2025 | | Reading Fightin Phils at New Hampshire Fisher Cats | 12:05 p.m. |
| August 7, 2025 | | Reading Fightin Phils at New Hampshire Fisher Cats | 6:35 p.m. |
| August 8, 2025 | | Reading Fightin Phils at New Hampshire Fisher Cats | 6:35 p.m. |
| August 9, 2025 | | Reading Fightin Phils at New Hampshire Fisher Cats | 6:35 p.m. |
| August 10, 2025 | | Reading Fightin Phils at New Hampshire Fisher Cats | 1:35 p.m. |
| August 12, 2025 | | New Hampshire Fisher Cats at Binghamton Rumble Ponies | 6:07 p.m. |
| August 13, 2025 | | New Hampshire Fisher Cats at Binghamton Rumble Ponies | 6:07 p.m. |
| August 14, 2025 | | New Hampshire Fisher Cats at Binghamton Rumble Ponies | 6:07 p.m. |
| August 15, 2025 | | New Hampshire Fisher Cats at Binghamton Rumble Ponies | 7:05 p.m. |
| August 16, 2025 | | New Hampshire Fisher Cats at Binghamton Rumble Ponies | 4:00 p.m. |
| August 17, 2025 | | New Hampshire Fisher Cats at Binghamton Rumble Ponies | 1:05 p.m. |
| August 19, 2025 | | New Hampshire Fisher Cats at Akron RubberDucks | 6:35 p.m. |
| August 20, 2025 | | New Hampshire Fisher Cats at Akron RubberDucks | 6:35 p.m. |
| August 21, 2025 | | New Hampshire Fisher Cats at Akron RubberDucks | 6:35 p.m. |
| August 22, 2025 | | New Hampshire Fisher Cats at Akron RubberDucks | 7:05 p.m. |
| August 23, 2025 | | New Hampshire Fisher Cats at Akron RubberDucks | 6:05 p.m. |
| August 24, 2025 | | New Hampshire Fisher Cats at Akron RubberDucks | 1:05 p.m. |
| August 26, 2025 | | Erie SeaWolves at New Hampshire Fisher Cats | 6:35 p.m. |
| August 27, 2025 | | Erie SeaWolves at New Hampshire Fisher Cats | 6:35 p.m. |
| August 28, 2025 | | Erie SeaWolves at New Hampshire Fisher Cats | 6:35 p.m. |
| August 29, 2025 | | Erie SeaWolves at New Hampshire Fisher Cats | 6:35 p.m. |
| August 30, 2025 | | Erie SeaWolves at New Hampshire Fisher Cats | 6:35 p.m. |
| August 31, 2025 | | Erie SeaWolves at New Hampshire Fisher Cats | 1:35 p.m. |
| September 2, 2025 | | New Hampshire Fisher Cats at Somerset Patriots | 6:35 p.m. |
| September 3, 2025 | | New Hampshire Fisher Cats at Somerset Patriots | 6:35 p.m. |
| September 4, 2025 | | New Hampshire Fisher Cats at Somerset Patriots | 6:35 p.m. |
| September 5, 2025 | | New Hampshire Fisher Cats at Somerset Patriots | 6:35 p.m. |
| September 6, 2025 | | New Hampshire Fisher Cats at Somerset Patriots | 6:05 p.m. |
| September 7, 2025 | | New Hampshire Fisher Cats at Somerset Patriots | 1:05 p.m. |
| September 9, 2025 | | Chesapeake Baysox at New Hampshire Fisher Cats | 6:35 p.m. |
| September 10, 2025 | | Chesapeake Baysox at New Hampshire Fisher Cats | 6:35 p.m. |
| September 11, 2025 | | Chesapeake Baysox at New Hampshire Fisher Cats | 6:35 p.m. |
| September 12, 2025 | | Chesapeake Baysox at New Hampshire Fisher Cats | 6:35 p.m. |
| September 13, 2025 | | Chesapeake Baysox at New Hampshire Fisher Cats | 6:35 p.m. |
| September 14, 2025 | | Chesapeake Baysox at New Hampshire Fisher Cats | 1:35 p.m. |
New Hampshire Fisher Cats Schedule
