Head to Head
| Japan NPB | 2020/09/05 05:00 | Seibu Lions v Nippon Ham Fighters | L | 2-6 |
| Japan NPB | 2020/09/04 09:00 | Seibu Lions v Nippon Ham Fighters | W | 6-2 |
| Japan NPB | 2020/08/27 09:00 | Nippon Ham Fighters v Seibu Lions | W | 7-8 |
| Japan NPB | 2020/08/26 09:00 | Nippon Ham Fighters v Seibu Lions | L | 8-5 |
| Japan NPB | 2020/08/25 09:00 | Nippon Ham Fighters v Seibu Lions | L | 4-3 |
| Japan NPB | 2020/08/09 04:00 | Seibu Lions v Nippon Ham Fighters | L | 1-2 |
| Japan NPB | 2020/08/08 05:00 | Seibu Lions v Nippon Ham Fighters | L | 6-7 |
| Japan NPB | 2020/08/07 09:00 | Seibu Lions v Nippon Ham Fighters | L | 2-3 |
Home History
| Japan NPB | 2020/09/05 05:00 | Seibu Lions v Nippon Ham Fighters | L | 2-6 |
| Japan NPB | 2020/09/04 09:00 | Seibu Lions v Nippon Ham Fighters | W | 6-2 |
| Japan NPB | 2020/09/03 09:00 | Seibu Lions v Lotte Marines | L | 5-8 |
| Japan NPB | 2020/09/02 09:00 | Seibu Lions v Lotte Marines | W | 4-2 |
| Japan NPB | 2020/09/01 09:00 | Seibu Lions v Lotte Marines | W | 9-1 |
| Japan NPB | 2020/08/30 08:00 | Seibu Lions v Rakuten Eagles | W | 3-2 |
| Japan NPB | 2020/08/29 09:00 | Seibu Lions v Rakuten Eagles | W | 6-3 |
| Japan NPB | 2020/08/28 09:00 | Seibu Lions v Rakuten Eagles | L | 1-2 |
Away History
| Japan NPB | 2020/09/05 05:00 | Seibu Lions v Nippon Ham Fighters | W | 2-6 |
| Japan NPB | 2020/09/04 09:00 | Seibu Lions v Nippon Ham Fighters | L | 6-2 |
| Japan NPB | 2020/09/03 09:00 | Rakuten Eagles v Nippon Ham Fighters | W | 0-4 |
| Japan NPB | 2020/09/02 09:00 | Rakuten Eagles v Nippon Ham Fighters | L | 5-3 |
| Japan NPB | 2020/09/01 09:00 | Rakuten Eagles v Nippon Ham Fighters | W | 1-8 |
| Japan NPB | 2020/08/30 04:00 | Nippon Ham Fighters v Softbank Hawks | L | 5-8 |
| Japan NPB | 2020/08/29 05:00 | Nippon Ham Fighters v Softbank Hawks | L | 0-3 |
| Japan NPB | 2020/08/28 09:00 | Nippon Ham Fighters v Softbank Hawks | L | 1-9 |