Head to Head
| Japan NPB | 2021/05/23 05:00 | Nippon Ham Fighters v Seibu Lions | W | 10-3 |
| Japan NPB | 2021/05/22 05:00 | Nippon Ham Fighters v Seibu Lions | L | 1-8 |
| Japan NPB | 2021/05/21 08:45 | Nippon Ham Fighters v Seibu Lions | L | 1-7 |
| Japan NPB | 2021/05/01 05:00 | Seibu Lions v Nippon Ham Fighters | W | 4-5 |
| Japan NPB | 2021/04/30 09:00 | Seibu Lions v Nippon Ham Fighters | L | 5-1 |
| Japan NPB | 2021/04/14 08:45 | Nippon Ham Fighters v Seibu Lions | L | 1-2 |
| Japan NPB | 2021/04/13 08:45 | Nippon Ham Fighters v Seibu Lions | W | 3-2 |
| Japan NPB | 2021/03/31 09:00 | Seibu Lions v Nippon Ham Fighters | D | 1-1 |
Home History
| Japan NPB | 2021/06/06 05:00 | Nippon Ham Fighters v Yomiuri Giants | W | 4-2 |
| Japan NPB | 2021/06/05 08:45 | Nippon Ham Fighters v Yomiuri Giants | W | 6-4 |
| Japan NPB | 2021/06/04 08:45 | Nippon Ham Fighters v Yomiuri Giants | L | 0-6 |
| Japan NPB | 2021/06/02 09:00 | Nippon Ham Fighters v Hiroshima Carp | L | 0-3 |
| Japan NPB | 2021/06/01 09:00 | Nippon Ham Fighters v Hiroshima Carp | W | 7-3 |
| Japan NPB | 2021/05/30 05:00 | Chunichi Dragons v Nippon Ham Fighters | L | 4-1 |
| Japan NPB | 2021/05/29 05:00 | Chunichi Dragons v Nippon Ham Fighters | L | 7-4 |
| Japan NPB | 2021/05/28 09:00 | Chunichi Dragons v Nippon Ham Fighters | W | 1-10 |
Away History
| Japan NPB | 2021/06/06 04:00 | Seibu Lions v Yakult Swallows | L | 6-9 |
| Japan NPB | 2021/06/05 05:00 | Seibu Lions v Yakult Swallows | W | 6-3 |
| Japan NPB | 2021/06/04 08:30 | Seibu Lions v Yakult Swallows | L | 1-10 |
| Japan NPB | 2021/06/03 08:45 | Seibu Lions v Yomiuri Giants | D | 4-4 |
| Japan NPB | 2021/06/02 08:45 | Seibu Lions v Yomiuri Giants | L | 3-4 |
| Japan NPB | 2021/06/01 08:45 | Seibu Lions v Yomiuri Giants | D | 4-4 |
| Japan NPB | 2021/05/30 04:00 | Hanshin Tigers v Seibu Lions | L | 9-8 |
| Japan NPB | 2021/05/29 08:45 | Hanshin Tigers v Seibu Lions | W | 0-1 |