| 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 | 2024/08/18 08:00 | Oisix Niigata v Seibu Lions Reserves | L | 1-2 |
| Japan NPB Reserve League | 2024/08/17 09:00 | Oisix Niigata v Seibu Lions Reserves | L | 3-9 |
| Japan NPB Reserve League | 2024/07/14 04:00 | Oisix Niigata v Seibu Lions Reserves | L | 3-6 |
| Japan NPB Reserve League | 2024/07/13 04:00 | Oisix Niigata v Seibu Lions Reserves | L | 4-8 |
| Japan NPB Reserve League | 2024/05/03 04:00 | Oisix Niigata v Seibu Lions Reserves | L | 0-8 |
| 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 | 2025/04/20 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 | 2025/08/03 04:00 | Seibu Lions Reserves v Nipponham Fighters Reserves | L | 3-4 |
| Japan NPB Reserve League | 2025/08/02 04:00 | Seibu Lions Reserves v Nipponham Fighters Reserves | L | 4-5 |
| Japan NPB Reserve League | 2025/07/31 09:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | L | 4-0 |
| Japan NPB Reserve League | 2025/07/30 09:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | D | 5-5 |
| Japan NPB Reserve League | 2025/07/29 09:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | W | 0-1 |
| Japan NPB Reserve League | 2025/07/27 08:00 | Seibu Lions Reserves v Yomiuri Giants Reserves | L | 2-3 |
| Japan NPB Reserve League | 2025/07/26 08:00 | Seibu Lions Reserves v Yomiuri Giants Reserves | D | 2-2 |
| Japan NPB Reserve League | 2025/07/09 04:00 | Yomiuri Giants Reserves v Seibu Lions Reserves | L | 10-3 |