| 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 | L | 2-7 |
| Japan NPB Reserve League | 2024/05/21 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | W | 5-1 |
| Japan NPB Reserve League | 2024/04/29 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | L | 0-1 |
| Japan NPB Reserve League | 2023/09/24 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | L | 2-3 |
| Japan NPB Reserve League | 2023/09/23 04:30 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | L | 0-2 |
| Japan NPB Reserve League | 2023/09/22 09:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | W | 4-0 |
| Japan NPB Reserve League | 2023/07/13 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | D | 6-6 |
| 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 | L | 2-7 |
| Japan NPB Reserve League | 2024/05/21 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | W | 5-1 |
| Japan NPB Reserve League | 2024/05/10 04:00 | Yokohama Bay Stars Reserves v Yomiuri Giants Reserves | L | 2-3 |
| Japan NPB Reserve League | 2024/05/08 04:00 | Yokohama Bay Stars Reserves v Nipponham Fighters Reserves | L | 3-4 |
| Japan NPB Reserve League | 2024/04/29 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | L | 0-1 |
| Japan NPB Reserve League | 2024/04/25 04:00 | Yokohama Bay Stars Reserves v Nipponham Fighters Reserves | W | 7-3 |
| Japan NPB Reserve League | 2024/04/23 04:00 | Yokohama Bay Stars Reserves v Nipponham Fighters Reserves | L | 3-8 |
| Japan NPB Reserve League | 2024/05/29 04:00 | Nipponham Fighters Reserves v Seibu Lions Reserves | L | 4-2 |
| Japan NPB Reserve League | 2024/05/28 04:00 | Nipponham Fighters Reserves v Seibu Lions Reserves | W | 0-15 |
| 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 |