Head to Head
| 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 |
| Japan NPB | 2021/03/30 09:30 | Seibu Lions v Nippon Ham Fighters | L | 11-4 |
| Japan NPB Exhibition | 2021/03/04 09:00 | Seibu Lions v Nippon Ham Fighters | L | 6-1 |
| Japan NPB Exhibition | 2021/03/03 09:00 | Seibu Lions v Nippon Ham Fighters | W | 0-7 |
| Japan NPB | 2020/11/04 09:00 | Nippon Ham Fighters v Seibu Lions | L | 3-10 |
| Japan NPB | 2020/11/03 05:00 | Nippon Ham Fighters v Seibu Lions | L | 4-5 |
Home History
| Japan NPB | 2021/04/25 05:00 | Orix Buffaloes v Nippon Ham Fighters | D | 4-4 |
| Japan NPB | 2021/04/24 05:00 | Orix Buffaloes v Nippon Ham Fighters | W | 3-5 |
| Japan NPB | 2021/04/23 09:00 | Orix Buffaloes v Nippon Ham Fighters | L | 6-1 |
| Japan NPB | 2021/04/22 08:45 | Nippon Ham Fighters v Lotte Marines | W | 3-1 |
| Japan NPB | 2021/04/21 08:45 | Nippon Ham Fighters v Lotte Marines | L | 5-6 |
| Japan NPB | 2021/04/20 08:45 | Nippon Ham Fighters v Lotte Marines | L | 4-8 |
| Japan NPB | 2021/04/18 05:00 | Rakuten Eagles v Nippon Ham Fighters | L | 4-1 |
| Japan NPB | 2021/04/17 05:00 | Rakuten Eagles v Nippon Ham Fighters | W | 1-4 |
Away History
| Japan NPB | 2021/04/25 04:00 | Seibu Lions v Rakuten Eagles | L | 4-8 |
| Japan NPB | 2021/04/24 05:00 | Seibu Lions v Rakuten Eagles | L | 1-2 |
| Japan NPB | 2021/04/23 09:00 | Seibu Lions v Rakuten Eagles | D | 2-2 |
| Japan NPB | 2021/04/22 09:00 | Seibu Lions v Orix Buffaloes | L | 6-7 |
| Japan NPB | 2021/04/21 09:00 | Seibu Lions v Orix Buffaloes | L | 2-4 |
| Japan NPB | 2021/04/20 09:00 | Seibu Lions v Orix Buffaloes | L | 3-11 |
| Japan NPB | 2021/04/18 04:00 | Softbank Hawks v Seibu Lions | D | 4-4 |
| Japan NPB | 2021/04/17 08:45 | Softbank Hawks v Seibu Lions | L | 7-1 |