| 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 | 2023/07/12 09:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | L | 1-2 |
| Japan NPB Reserve League | 2023/07/11 09:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | L | 3-5 |
| Japan NPB Reserve League | 2023/05/25 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | D | 4-4 |
| Japan NPB Reserve League | 2023/05/24 04:30 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | W | 2-0 |
| Japan NPB Reserve League | 2023/05/23 09:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | L | 0-1 |
| Japan NPB Reserve League | 2022/09/15 09:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | L | 2-4 |
| Japan NPB Reserve League | 2021/08/19 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | L | 8-9 |
| Japan NPB Reserve League | 2021/08/18 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | W | 13-1 |
| Japan NPB Reserve League | 2021/08/17 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | L | 0-2 |
| Japan NPB Reserve League | 2021/07/29 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | L | 6-10 |
| Japan NPB Reserve League | 2021/07/28 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | W | 8-2 |
| Japan NPB Reserve League | 2021/03/26 03:54 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | L | 6-8 |
| Japan NPB Reserve League | 2020/09/29 09:00 | Seibu Lions Reserves v Yokohama Bay Stars Reserves | D | 0-0 |
| Japan NPB Reserve League | 2020/09/20 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | W | 10-8 |
| Japan NPB Reserve League | 2020/09/19 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | D | 5-5 |
| Japan NPB Reserve League | 2020/07/24 04:30 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | W | 4-3 |
| Japan NPB Reserve League | 2019/07/08 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | W | 7-5 |
| Japan NPB Reserve League | 2019/06/23 04:00 | Seibu Lions Reserves v Yokohama Bay Stars Reserves | W | 0-4 |
| Japan NPB Reserve League | 2019/06/22 04:00 | Seibu Lions Reserves v Yokohama Bay Stars Reserves | D | 0-0 |
| Japan NPB Reserve League | 2019/06/21 02:00 | Seibu Lions Reserves v Yokohama Bay Stars Reserves | W | 1-10 |
| Japan NPB Reserve League | 2019/05/31 09:00 | Seibu Lions Reserves v Yokohama Bay Stars Reserves | W | 1-4 |