Head to Head
| 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 |
Home History
| Japan NPB | 2018/10/21 04:00 | Softbank Hawks v Seibu Lions | L | 6-5 |
| Japan NPB | 2018/10/20 05:00 | Softbank Hawks v Seibu Lions | L | 8-2 |
| Japan NPB | 2018/10/19 09:00 | Softbank Hawks v Seibu Lions | L | 15-4 |
| Japan NPB | 2018/10/18 09:00 | Softbank Hawks v Seibu Lions | W | 5-13 |
| Japan NPB | 2018/10/17 09:00 | Softbank Hawks v Seibu Lions | L | 10-4 |
| Japan NPB | 2018/10/06 09:00 | Seibu Lions v Softbank Hawks | L | 3-8 |
| Japan NPB | 2018/10/04 09:15 | Seibu Lions v Lotte Marines | W | 6-3 |
| Japan NPB | 2018/10/03 09:00 | Seibu Lions v Nippon Ham Fighters | W | 7-3 |
Away History
| Japan NPB | 2018/10/10 09:00 | Yokohama Bay Stars v Hanshin Tigers | L | 1-2 |
| Japan NPB | 2018/10/09 09:00 | Yokohama Bay Stars v Yakult Swallows | W | 4-1 |
| Japan NPB | 2018/10/07 05:00 | Yokohama Bay Stars v Hiroshima Carp | W | 4-3 |
| Japan NPB | 2018/10/06 05:00 | Yokohama Bay Stars v Hanshin Tigers | L | 3-4 |
| Japan NPB | 2018/10/03 09:00 | Yokohama Bay Stars v Yakult Swallows | L | 1-2 |
| Japan NPB | 2018/10/02 09:00 | Yokohama Bay Stars v Yakult Swallows | L | 2-3 |
| Japan NPB | 2018/10/01 09:00 | Yokohama Bay Stars v Hanshin Tigers | W | 10-0 |
| Japan NPB | 2018/09/28 09:00 | Yokohama Bay Stars v Yomiuri Giants | L | 0-1 |