Head to Head
| Japan NPB | 2020/08/04 09:00 | Seibu Lions v Nippon Ham Fighters | L | 4-11 |
| Japan NPB | 2020/06/21 05:00 | Nippon Ham Fighters v Seibu Lions | L | 12-2 |
| Japan NPB | 2020/06/20 05:00 | Nippon Ham Fighters v Seibu Lions | L | 2-1 |
| Japan NPB | 2020/06/19 09:00 | Nippon Ham Fighters v Seibu Lions | W | 0-3 |
| Japan NPB | 2019/09/19 09:00 | Nippon Ham Fighters v Seibu Lions | W | 0-2 |
| Japan NPB | 2019/08/29 04:00 | Seibu Lions v Nippon Ham Fighters | W | 5-2 |
| Japan NPB | 2019/08/28 04:00 | Seibu Lions v Nippon Ham Fighters | W | 10-8 |
| Japan NPB | 2019/08/27 04:00 | Seibu Lions v Nippon Ham Fighters | W | 8-2 |
Home History
| Japan NPB | 2020/08/04 09:00 | Seibu Lions v Nippon Ham Fighters | L | 4-11 |
| Japan NPB | 2020/08/01 05:00 | Seibu Lions v Softbank Hawks | L | 0-4 |
| Japan NPB | 2020/07/31 09:00 | Seibu Lions v Softbank Hawks | L | 4-5 |
| Japan NPB | 2020/07/30 09:00 | Seibu Lions v Softbank Hawks | W | 6-0 |
| Japan NPB | 2020/07/29 09:00 | Seibu Lions v Softbank Hawks | L | 2-4 |
| Japan NPB | 2020/07/28 09:00 | Seibu Lions v Softbank Hawks | L | 4-9 |
| Japan NPB | 2020/07/26 09:00 | Lotte Marines v Seibu Lions | W | 2-4 |
| Japan NPB | 2020/07/25 09:00 | Lotte Marines v Seibu Lions | L | 5-0 |
Away History
| Japan NPB | 2020/08/04 09:00 | Seibu Lions v Nippon Ham Fighters | W | 4-11 |
| Japan NPB | 2020/08/01 05:00 | Orix Buffaloes v Nippon Ham Fighters | W | 1-3 |
| Japan NPB | 2020/07/31 09:00 | Orix Buffaloes v Nippon Ham Fighters | L | 7-2 |
| Japan NPB | 2020/07/30 09:00 | Orix Buffaloes v Nippon Ham Fighters | W | 3-7 |
| Japan NPB | 2020/07/29 09:00 | Orix Buffaloes v Nippon Ham Fighters | W | 2-6 |
| Japan NPB | 2020/07/28 09:00 | Orix Buffaloes v Nippon Ham Fighters | W | 1-5 |
| Japan NPB | 2020/07/26 04:00 | Nippon Ham Fighters v Softbank Hawks | L | 1-6 |
| Japan NPB | 2020/07/25 05:00 | Nippon Ham Fighters v Softbank Hawks | W | 9-7 |