Head to Head
| Japan NPB Reserve League | 2025/07/31 09:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | W | 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 | L | 0-1 |
| Japan NPB Reserve League | 2025/05/18 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | L | 4-7 |
| Japan NPB Reserve League | 2025/05/16 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | L | 1-11 |
| Japan NPB Reserve League | 2025/04/22 09:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | L | 1-2 |
| Japan NPB Reserve League | 2024/06/04 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | W | 4-0 |
| Japan NPB Reserve League | 2024/05/23 09:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | D | 2-2 |
Home History
| Japan NPB Reserve League | 2025/09/14 04:00 | Yokohama Bay Stars Reserves v Yomiuri Giants Reserves | W | 8-4 |
| Japan NPB Reserve League | 2025/07/31 09:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | W | 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 | L | 0-1 |
| Japan NPB Reserve League | 2025/06/29 04:00 | Yokohama Bay Stars Reserves v Nipponham Fighters Reserves | L | 2-5 |
| Japan NPB Reserve League | 2025/06/28 04:00 | Yokohama Bay Stars Reserves v Nipponham Fighters Reserves | L | 1-4 |
| Japan NPB Reserve League | 2025/06/27 04:00 | Yokohama Bay Stars Reserves v Nipponham Fighters Reserves | L | 3-6 |
| Japan NPB Reserve League | 2025/06/25 09:00 | Yokohama Bay Stars Reserves v Yomiuri Giants Reserves | W | 6-4 |
Away History
| Japan NPB Reserve League | 2025/09/17 09:00 | Yomiuri Giants Reserves v Seibu Lions Reserves | L | 1-0 |
| Japan NPB Reserve League | 2025/09/10 04:00 | Nipponham Fighters Reserves v Seibu Lions Reserves | W | 0-2 |
| Japan NPB Reserve League | 2025/09/09 04:00 | Nipponham Fighters Reserves v Seibu Lions Reserves | W | 2-4 |
| Japan NPB Reserve League | 2025/09/03 04:00 | Chiba Lotte Marines Reserves v Seibu Lions Reserves | W | 2-3 |
| Japan NPB Reserve League | 2025/09/02 04:00 | Chiba Lotte Marines Reserves v Seibu Lions Reserves | W | 0-9 |
| Japan NPB Reserve League | 2025/08/31 04:30 | Rakuten Eagles Reserves v Seibu Lions Reserves | L | 2-1 |
| Japan NPB Reserve League | 2025/08/28 04:00 | Seibu Lions Reserves v Nipponham Fighters Reserves | L | 3-6 |
| Japan NPB Reserve League | 2025/08/27 04:00 | Seibu Lions Reserves v Nipponham Fighters Reserves | L | 2-3 |