Head to Head
| Japan NPB | 2021/10/02 09:00 | Seibu Lions v Nippon Ham Fighters | L | 1-2 |
| Japan NPB | 2021/10/01 09:00 | Seibu Lions v Nippon Ham Fighters | W | 4-2 |
| Japan NPB | 2021/09/16 08:45 | Nippon Ham Fighters v Seibu Lions | L | 3-1 |
| Japan NPB | 2021/09/15 08:45 | Nippon Ham Fighters v Seibu Lions | D | 3-3 |
| Japan NPB | 2021/09/14 08:45 | Nippon Ham Fighters v Seibu Lions | W | 1-3 |
| Japan NPB | 2021/08/29 08:00 | Nippon Ham Fighters v Seibu Lions | L | 6-0 |
| Japan NPB | 2021/08/28 08:00 | Nippon Ham Fighters v Seibu Lions | D | 8-8 |
| Japan NPB | 2021/08/27 08:45 | Nippon Ham Fighters v Seibu Lions | L | 7-2 |
Home History
| Japan NPB | 2021/10/02 09:00 | Seibu Lions v Nippon Ham Fighters | L | 1-2 |
| Japan NPB | 2021/10/01 09:00 | Seibu Lions v Nippon Ham Fighters | W | 4-2 |
| Japan NPB | 2021/09/30 09:00 | Seibu Lions v Softbank Hawks | W | 8-7 |
| Japan NPB | 2021/09/29 09:00 | Seibu Lions v Softbank Hawks | L | 0-9 |
| Japan NPB | 2021/09/28 09:00 | Seibu Lions v Softbank Hawks | L | 2-5 |
| Japan NPB | 2021/09/26 04:00 | Lotte Marines v Seibu Lions | L | 8-4 |
| Japan NPB | 2021/09/25 05:00 | Lotte Marines v Seibu Lions | L | 3-1 |
| Japan NPB | 2021/09/24 08:45 | Lotte Marines v Seibu Lions | W | 4-5 |
Away History
| Japan NPB | 2021/10/02 09:00 | Seibu Lions v Nippon Ham Fighters | W | 1-2 |
| Japan NPB | 2021/10/01 09:00 | Seibu Lions v Nippon Ham Fighters | L | 4-2 |
| Japan NPB | 2021/09/30 09:00 | Nippon Ham Fighters v Rakuten Eagles | L | 5-8 |
| Japan NPB | 2021/09/29 09:00 | Nippon Ham Fighters v Rakuten Eagles | L | 0-5 |
| Japan NPB | 2021/09/28 09:00 | Nippon Ham Fighters v Rakuten Eagles | W | 3-1 |
| Japan NPB | 2021/09/26 04:00 | Nippon Ham Fighters v Softbank Hawks | L | 1-4 |
| Japan NPB | 2021/09/25 05:00 | Nippon Ham Fighters v Softbank Hawks | L | 2-4 |
| Japan NPB | 2021/09/24 09:00 | Nippon Ham Fighters v Softbank Hawks | W | 4-1 |