Head to Head
| 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 |
| Japan NPB | 2016/05/31 09:00 | Seibu Lions v Yokohama Bay Stars | L | 2-5 |
| Japan NPB | 2015/06/07 04:00 | Yokohama Bay Stars v Seibu Lions | W | 3-9 |
Home History
| Japan NPB | 2018/06/05 09:00 | Seibu Lions v Yokohama Bay Stars | W | 8-1 |
| Japan NPB | 2018/06/03 04:00 | Hanshin Tigers v Seibu Lions | W | 5-10 |
| Japan NPB | 2018/06/02 05:00 | Hanshin Tigers v Seibu Lions | L | 10-5 |
| Japan NPB | 2018/06/01 09:00 | Hanshin Tigers v Seibu Lions | W | 0-2 |
| Japan NPB | 2018/05/31 09:00 | Seibu Lions v Hiroshima Carp | W | 12-7 |
| Japan NPB | 2018/05/30 09:00 | Seibu Lions v Hiroshima Carp | L | 7-8 |
| Japan NPB | 2018/05/29 09:00 | Seibu Lions v Hiroshima Carp | W | 7-3 |
| Japan NPB | 2018/05/27 04:00 | Nippon Ham Fighters v Seibu Lions | L | 10-8 |
Away History
| Japan NPB | 2018/06/05 09:00 | Seibu Lions v Yokohama Bay Stars | L | 8-1 |
| Japan NPB | 2018/06/03 04:00 | Yokohama Bay Stars v Softbank Hawks | L | 5-7 |
| Japan NPB | 2018/06/02 05:00 | Yokohama Bay Stars v Softbank Hawks | L | 4-5 |
| Japan NPB | 2018/06/01 09:00 | Yokohama Bay Stars v Softbank Hawks | L | 2-6 |
| Japan NPB | 2018/05/31 09:00 | Rakuten Eagles v Yokohama Bay Stars | W | 3-4 |
| Japan NPB | 2018/05/29 09:00 | Rakuten Eagles v Yokohama Bay Stars | W | 2-9 |
| Japan NPB | 2018/05/27 09:00 | Yokohama Bay Stars v Yakult Swallows | L | 3-5 |
| Japan NPB | 2018/05/26 09:00 | Yokohama Bay Stars v Yakult Swallows | L | 1-5 |