Head to Head
| Japan NPB | 2023/05/16 09:00 | Seibu Lions v Nippon Ham Fighters | W | 4-2 |
| Japan NPB | 2023/05/04 04:00 | Nippon Ham Fighters v Seibu Lions | L | 1-0 |
| Japan NPB | 2023/05/03 05:00 | Nippon Ham Fighters v Seibu Lions | W | 1-3 |
| Japan NPB | 2023/05/02 09:00 | Nippon Ham Fighters v Seibu Lions | L | 7-1 |
| Japan NPB | 2023/04/15 05:00 | Seibu Lions v Nippon Ham Fighters | W | 10-0 |
| Japan NPB | 2023/04/14 09:00 | Seibu Lions v Nippon Ham Fighters | L | 2-5 |
| Japan NPB Exhibition | 2023/03/15 06:00 | Seibu Lions v Nippon Ham Fighters | L | 1-2 |
| Japan NPB Exhibition | 2023/03/14 05:00 | Seibu Lions v Nippon Ham Fighters | W | 3-1 |
Home History
| Japan NPB | 2023/05/16 09:00 | Seibu Lions v Nippon Ham Fighters | W | 4-2 |
| Japan NPB | 2023/05/14 05:00 | Rakuten Eagles v Seibu Lions | L | 5-0 |
| Japan NPB | 2023/05/13 05:00 | Rakuten Eagles v Seibu Lions | W | 4-7 |
| Japan NPB | 2023/05/12 09:00 | Rakuten Eagles v Seibu Lions | L | 5-4 |
| Japan NPB | 2023/05/11 09:00 | Lotte Marines v Seibu Lions | L | 3-0 |
| Japan NPB | 2023/05/10 09:00 | Lotte Marines v Seibu Lions | L | 3-2 |
| Japan NPB | 2023/05/09 09:00 | Lotte Marines v Seibu Lions | L | 6-2 |
| Japan NPB | 2023/05/07 04:00 | Seibu Lions v Orix Buffaloes | W | 5-4 |
Away History
| Japan NPB | 2023/05/16 09:00 | Seibu Lions v Nippon Ham Fighters | L | 4-2 |
| Japan NPB | 2023/05/14 04:00 | Lotte Marines v Nippon Ham Fighters | L | 5-2 |
| Japan NPB | 2023/05/13 05:00 | Lotte Marines v Nippon Ham Fighters | W | 0-5 |
| Japan NPB | 2023/05/11 09:00 | Nippon Ham Fighters v Softbank Hawks | L | 3-6 |
| Japan NPB | 2023/05/10 09:00 | Nippon Ham Fighters v Softbank Hawks | W | 6-3 |
| Japan NPB | 2023/05/09 09:00 | Nippon Ham Fighters v Softbank Hawks | L | 0-1 |
| Japan NPB | 2023/05/07 04:00 | Rakuten Eagles v Nippon Ham Fighters | W | 2-3 |
| Japan NPB | 2023/05/06 05:00 | Rakuten Eagles v Nippon Ham Fighters | L | 5-0 |