| Japan NPB Reserve League | 2023/08/24 04:00 | Nipponham Fighters Reserves v Seibu Lions Reserves | L | 5-8 |
| Japan NPB Reserve League | 2023/08/23 04:00 | Nipponham Fighters Reserves v Seibu Lions Reserves | W | 3-0 |
| Japan NPB Reserve League | 2023/08/07 04:00 | Seibu Lions Reserves v Nipponham Fighters Reserves | D | 3-3 |
| Japan NPB Reserve League | 2023/07/22 04:30 | Nipponham Fighters Reserves v Seibu Lions Reserves | W | 12-2 |
| Japan NPB Reserve League | 2023/07/21 09:00 | Nipponham Fighters Reserves v Seibu Lions Reserves | L | 0-1 |
| Japan NPB Reserve League | 2023/06/22 04:00 | Nipponham Fighters Reserves v Seibu Lions Reserves | W | 12-3 |
| Japan NPB Reserve League | 2023/06/21 04:00 | Nipponham Fighters Reserves v Seibu Lions Reserves | L | 2-17 |
| Japan NPB Reserve League | 2023/06/20 04:00 | Nipponham Fighters Reserves v Seibu Lions Reserves | L | 2-3 |
| Japan NPB Reserve League | 2024/05/17 04:30 | Yakult Swallows Reserves v Nipponham Fighters Reserves | W | 1-7 |
| Japan NPB Reserve League | 2024/05/08 04:00 | Yokohama Bay Stars Reserves v Nipponham Fighters Reserves | W | 3-4 |
| Japan NPB Reserve League | 2024/04/25 04:00 | Yokohama Bay Stars Reserves v Nipponham Fighters Reserves | L | 7-3 |
| Japan NPB Reserve League | 2024/04/23 04:00 | Yokohama Bay Stars Reserves v Nipponham Fighters Reserves | W | 3-8 |
| Japan NPB Reserve League | 2024/04/19 04:00 | Oisix Niigata v Nipponham Fighters Reserves | W | 3-7 |
| Japan NPB Reserve League | 2024/04/18 04:00 | Nipponham Fighters Reserves v Yomiuri Giants Reserves | L | 0-4 |
| Japan NPB Reserve League | 2024/04/16 04:00 | Nipponham Fighters Reserves v Yomiuri Giants Reserves | L | 3-7 |
| Japan NPB Reserve League | 2024/04/08 04:00 | Rakuten Eagles Reserves v Nipponham Fighters Reserves | W | 5-9 |
| Japan NPB Reserve League | 2024/05/23 09:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | D | 2-2 |
| Japan NPB Reserve League | 2024/05/22 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | W | 2-7 |
| Japan NPB Reserve League | 2024/05/21 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | L | 5-1 |
| Japan NPB Reserve League | 2024/05/18 04:00 | Yomiuri Giants Reserves v Seibu Lions Reserves | L | 5-3 |
| Japan NPB Reserve League | 2024/05/17 04:00 | Yomiuri Giants Reserves v Seibu Lions Reserves | W | 3-5 |
| Japan NPB Reserve League | 2024/05/15 04:00 | Chiba Lotte Marines Reserves v Seibu Lions Reserves | W | 4-5 |
| Japan NPB Reserve League | 2024/05/14 04:00 | Chiba Lotte Marines Reserves v Seibu Lions Reserves | L | 5-1 |
| Japan NPB Reserve League | 2024/05/03 04:00 | Oisix Niigata v Seibu Lions Reserves | W | 0-8 |