| 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 | 2025/05/04 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 | 2025/03/26 04:00 | Oisix Niigata v Yomiuri Giants Reserves | L | 2-11 |
| Japan NPB Reserve League | 2025/03/25 05:00 | Oisix Niigata v Yomiuri Giants Reserves | L | 0-7 |
| Japan NPB Reserve League | 2024/08/29 04:00 | Oisix Niigata v Yomiuri Giants Reserves | L | 1-5 |
| Japan NPB Reserve League | 2024/08/28 04:00 | Oisix Niigata v Yomiuri Giants Reserves | L | 1-7 |
| Japan NPB Reserve League | 2025/05/04 04:00 | Oisix Niigata v Seibu Lions Reserves | W | 5-9 |
| Japan NPB Reserve League | 2025/05/03 04:00 | Oisix Niigata v Seibu Lions Reserves | L | 5-3 |
| Japan NPB Reserve League | 2025/04/30 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | L | 9-7 |
| Japan NPB Reserve League | 2025/04/29 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | W | 4-7 |
| Japan NPB Reserve League | 2025/04/22 09:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | W | 1-2 |
| Japan NPB Reserve League | 2025/04/20 04:00 | Seibu Lions Reserves v Yomiuri Giants Reserves | W | 8-3 |
| Japan NPB Reserve League | 2025/04/19 04:00 | Seibu Lions Reserves v Yomiuri Giants Reserves | L | 1-3 |
| Japan NPB Reserve League | 2025/04/16 04:00 | Seibu Lions Reserves v Nipponham Fighters Reserves | W | 5-3 |