Head to Head
| Japan NPB | 2018/09/04 09:00 | Seibu Lions v Nippon Ham Fighters | W | 7-3 |
| Japan NPB | 2018/08/19 09:00 | Nippon Ham Fighters v Seibu Lions | W | 4-7 |
| Japan NPB | 2018/08/18 09:00 | Nippon Ham Fighters v Seibu Lions | W | 6-7 |
| Japan NPB | 2018/08/17 09:00 | Nippon Ham Fighters v Seibu Lions | L | 5-3 |
| Japan NPB | 2018/08/05 09:00 | Nippon Ham Fighters v Seibu Lions | W | 4-7 |
| Japan NPB | 2018/08/04 09:00 | Nippon Ham Fighters v Seibu Lions | L | 6-3 |
| Japan NPB | 2018/08/03 09:00 | Nippon Ham Fighters v Seibu Lions | W | 3-4 |
| Japan NPB | 2018/07/03 09:00 | Seibu Lions v Nippon Ham Fighters | W | 5-2 |
Home History
| Japan NPB | 2018/09/04 09:00 | Seibu Lions v Nippon Ham Fighters | W | 7-3 |
| Japan NPB | 2018/09/02 04:00 | Seibu Lions v Orix Buffaloes | L | 1-5 |
| Japan NPB | 2018/09/01 05:00 | Orix Buffaloes v Seibu Lions | L | 10-8 |
| Japan NPB | 2018/08/31 09:00 | Seibu Lions v Orix Buffaloes | W | 1-0 |
| Japan NPB | 2018/08/29 09:00 | Rakuten Eagles v Seibu Lions | W | 4-5 |
| Japan NPB | 2018/08/28 09:00 | Rakuten Eagles v Seibu Lions | W | 5-6 |
| Japan NPB | 2018/08/26 04:00 | Seibu Lions v Softbank Hawks | L | 8-12 |
| Japan NPB | 2018/08/25 09:00 | Seibu Lions v Softbank Hawks | L | 1-5 |
Away History
| Japan NPB | 2018/09/04 09:00 | Seibu Lions v Nippon Ham Fighters | L | 7-3 |
| Japan NPB | 2018/09/02 08:00 | Nippon Ham Fighters v Lotte Marines | W | 3-2 |
| Japan NPB | 2018/09/01 08:00 | Nippon Ham Fighters v Lotte Marines | W | 4-3 |
| Japan NPB | 2018/08/31 09:30 | Nippon Ham Fighters v Lotte Marines | W | 7-2 |
| Japan NPB | 2018/08/30 09:00 | Nippon Ham Fighters v Orix Buffaloes | L | 1-6 |
| Japan NPB | 2018/08/28 09:30 | Nippon Ham Fighters v Orix Buffaloes | W | 4-0 |
| Japan NPB | 2018/08/26 05:00 | Rakuten Eagles v Nippon Ham Fighters | W | 2-4 |
| Japan NPB | 2018/08/25 06:00 | Rakuten Eagles v Nippon Ham Fighters | D | 3-3 |