Head to Head
| Japan NPB | 2023/06/04 05:00 | Seibu Lions v Yokohama Bay Stars | L | 4-5 |
| Japan NPB | 2023/06/03 05:00 | Seibu Lions v Yokohama Bay Stars | L | 2-6 |
| Japan NPB Exhibition | 2023/03/25 05:00 | Yokohama Bay Stars v Seibu Lions | W | 0-5 |
| Japan NPB Exhibition | 2023/03/24 09:00 | Yokohama Bay Stars v Seibu Lions | L | 4-1 |
| Japan NPB Exhibition | 2023/03/22 04:00 | Yokohama Bay Stars v Seibu Lions | D | 3-3 |
| Japan NPB Exhibition | 2023/03/05 04:00 | Seibu Lions v Yokohama Bay Stars | L | 1-3 |
| Japan NPB Exhibition | 2023/03/04 04:00 | Seibu Lions v Yokohama Bay Stars | W | 4-1 |
| Japan NPB | 2022/05/29 04:00 | Yokohama Bay Stars v Seibu Lions | W | 2-3 |
| Japan NPB | 2022/05/28 05:00 | Yokohama Bay Stars v Seibu Lions | W | 5-10 |
| Japan NPB | 2022/05/27 09:00 | Yokohama Bay Stars v Seibu Lions | L | 1-0 |
| Japan NPB Exhibition | 2022/03/09 04:00 | Seibu Lions v Yokohama Bay Stars | L | 1-2 |
| Japan NPB Exhibition | 2022/03/08 04:00 | Seibu Lions v Yokohama Bay Stars | L | 2-4 |
| Japan NPB | 2021/06/10 08:45 | Yokohama Bay Stars v Seibu Lions | W | 3-5 |
| Japan NPB | 2021/06/09 08:45 | Yokohama Bay Stars v Seibu Lions | D | 8-8 |
| Japan NPB | 2021/06/08 08:45 | Yokohama Bay Stars v Seibu Lions | W | 3-8 |
| Japan NPB Exhibition | 2021/03/19 04:00 | Yokohama Bay Stars v Seibu Lions | L | 5-1 |
| Japan NPB | 2019/06/09 04:00 | Seibu Lions v Yokohama Bay Stars | L | 4-6 |
| Japan NPB | 2019/06/08 05:00 | Seibu Lions v Yokohama Bay Stars | L | 3-7 |
| Japan NPB | 2019/06/07 09:00 | Seibu Lions v Yokohama Bay Stars | W | 6-2 |
| Japan Pre-Season Friendlies | 2019/03/24 04:00 | Seibu Lions v Yokohama Bay Stars | L | 1-6 |
| Japan Pre-Season Friendlies | 2019/03/23 04:00 | Seibu Lions v Yokohama Bay Stars | W | 4-3 |
| Japan Pre-Season Friendlies | 2019/03/16 04:00 | Yokohama Bay Stars v Seibu Lions | W | 1-4 |
| Japan NPB | 2018/06/18 09:00 | Seibu Lions v Yokohama Bay Stars | L | 2-4 |
| Japan NPB | 2018/06/07 09:00 | Seibu Lions v Yokohama Bay Stars | W | 9-7 |
| Japan NPB | 2018/06/05 09:00 | Seibu Lions v Yokohama Bay Stars | W | 8-1 |
| Japan NPB | 2017/06/11 04:00 | Yokohama Bay Stars v Seibu Lions | W | 0-1 |
| Japan NPB | 2017/06/10 05:00 | Yokohama Bay Stars v Seibu Lions | W | 2-6 |
| Japan NPB | 2017/06/09 09:00 | Yokohama Bay Stars v Seibu Lions | L | 4-3 |
| Japan NPB | 2016/06/02 09:00 | Seibu Lions v Yokohama Bay Stars | W | 4-1 |
| Japan NPB | 2016/06/01 09:00 | Seibu Lions v Yokohama Bay Stars | W | 7-0 |