| Japan NPB Reserve League | 2025/07/03 04:00 | Oisix Niigata v Nipponham Fighters Reserves | L | 2-3 |
| Japan NPB Reserve League | 2025/07/02 04:00 | Oisix Niigata v Nipponham Fighters Reserves | L | 1-6 |
| Japan NPB Reserve League | 2025/07/01 04:00 | Oisix Niigata v Nipponham Fighters Reserves | W | 10-5 |
| Japan NPB Reserve League | 2025/04/20 04:00 | Oisix Niigata v Nipponham Fighters Reserves | W | 8-2 |
| Japan NPB Reserve League | 2025/04/19 04:00 | Oisix Niigata v Nipponham Fighters Reserves | L | 3-4 |
| Japan NPB Reserve League | 2024/08/14 03:30 | Oisix Niigata v Nipponham Fighters Reserves | L | 2-13 |
| Japan NPB Reserve League | 2024/08/13 04:00 | Oisix Niigata v Nipponham Fighters Reserves | L | 5-22 |
| Japan NPB Reserve League | 2024/06/19 03:30 | Oisix Niigata v Nipponham Fighters Reserves | L | 2-9 |
| Japan NPB Reserve League | 2025/08/13 03:00 | Oisix Niigata v Seibu Lions Reserves | L | 5-7 |
| Japan NPB Reserve League | 2025/08/12 04:00 | Oisix Niigata v Seibu Lions Reserves | L | 1-5 |
| Japan NPB Reserve League | 2025/07/03 04:00 | Oisix Niigata v Nipponham Fighters Reserves | L | 2-3 |
| Japan NPB Reserve League | 2025/07/02 04:00 | Oisix Niigata v Nipponham Fighters Reserves | L | 1-6 |
| Japan NPB Reserve League | 2025/07/01 04:00 | Oisix Niigata v Nipponham Fighters Reserves | W | 10-5 |
| Japan NPB Reserve League | 2025/05/16 04:00 | Oisix Niigata v Yomiuri Giants Reserves | L | 1-6 |
| Japan NPB Reserve League | 2025/05/04 04:00 | Oisix Niigata v Seibu Lions Reserves | L | 5-9 |
| Japan NPB Reserve League | 2025/05/03 04:00 | Oisix Niigata v Seibu Lions Reserves | W | 5-3 |
| Japan NPB Reserve League | 2025/08/16 05:00 | Chiba Lotte Marines Reserves v Nipponham Fighters Reserves | L | 4-1 |
| Japan NPB Reserve League | 2025/08/09 04:00 | Yomiuri Giants Reserves v Nipponham Fighters Reserves | W | 5-6 |
| Japan NPB Reserve League | 2025/08/03 04:00 | Seibu Lions Reserves v Nipponham Fighters Reserves | W | 3-4 |
| Japan NPB Reserve League | 2025/08/02 04:00 | Seibu Lions Reserves v Nipponham Fighters Reserves | W | 4-5 |
| Japan NPB Reserve League | 2025/07/31 04:00 | Rakuten Eagles Reserves v Nipponham Fighters Reserves | L | 8-5 |
| Japan NPB Reserve League | 2025/07/30 04:00 | Rakuten Eagles Reserves v Nipponham Fighters Reserves | W | 2-9 |
| Japan NPB Reserve League | 2025/07/29 04:00 | Rakuten Eagles Reserves v Nipponham Fighters Reserves | L | 10-4 |
| Japan NPB Reserve League | 2025/07/17 04:00 | Yakult Swallows Reserves v Nipponham Fighters Reserves | L | 5-0 |