| Japonia - NPB Reserve League | 2020/09/29 09:00 | Seibu Lions - Rezerwa v Yokohama Bay Stars - Rezerwa | D | 0-0 |
| Japonia - NPB Reserve League | 2020/09/20 04:00 | Yokohama Bay Stars - Rezerwa v Seibu Lions - Rezerwa | W | 10-8 |
| Japonia - NPB Reserve League | 2020/09/19 04:00 | Yokohama Bay Stars - Rezerwa v Seibu Lions - Rezerwa | D | 5-5 |
| Japonia - NPB Reserve League | 2020/07/24 04:30 | Yokohama Bay Stars - Rezerwa v Seibu Lions - Rezerwa | W | 4-3 |
| Japonia - NPB Reserve League | 2019/07/08 04:00 | Yokohama Bay Stars - Rezerwa v Seibu Lions - Rezerwa | W | 7-5 |
| Japonia - NPB Reserve League | 2019/06/23 04:00 | Seibu Lions - Rezerwa v Yokohama Bay Stars - Rezerwa | W | 0-4 |
| Japonia - NPB Reserve League | 2019/06/22 04:00 | Seibu Lions - Rezerwa v Yokohama Bay Stars - Rezerwa | D | 0-0 |
| Japonia - NPB Reserve League | 2019/06/21 02:00 | Seibu Lions - Rezerwa v Yokohama Bay Stars - Rezerwa | W | 1-10 |
| Japonia - NPB Reserve League | 2019/05/31 09:00 | Seibu Lions - Rezerwa v Yokohama Bay Stars - Rezerwa | W | 1-4 |