Head to Head
| Japan NPB | 2018/07/03 09:00 | Seibu Lions v Nippon Ham Fighters | W | 5-2 |
| Japan NPB | 2018/05/27 04:00 | Nippon Ham Fighters v Seibu Lions | L | 10-8 |
| Japan NPB | 2018/05/26 05:00 | Nippon Ham Fighters v Seibu Lions | L | 6-5 |
| Japan NPB | 2018/05/25 09:00 | Nippon Ham Fighters v Seibu Lions | L | 8-5 |
| Japan NPB | 2018/05/16 09:00 | Seibu Lions v Nippon Ham Fighters | L | 0-1 |
| Japan NPB | 2018/05/15 09:00 | Seibu Lions v Nippon Ham Fighters | L | 0-2 |
| Japan NPB | 2018/04/18 09:00 | Nippon Ham Fighters v Seibu Lions | W | 8-9 |
| Japan NPB | 2018/04/17 09:00 | Nippon Ham Fighters v Seibu Lions | L | 7-2 |
Home History
| Japan NPB | 2018/07/03 09:00 | Seibu Lions v Nippon Ham Fighters | W | 5-2 |
| Japan NPB | 2018/07/01 04:00 | Rakuten Eagles v Seibu Lions | W | 7-8 |
| Japan NPB | 2018/06/30 05:00 | Rakuten Eagles v Seibu Lions | L | 9-1 |
| Japan NPB | 2018/06/29 09:00 | Rakuten Eagles v Seibu Lions | L | 15-1 |
| Japan NPB | 2018/06/28 09:00 | Orix Buffaloes v Seibu Lions | W | 11-14 |
| Japan NPB | 2018/06/27 09:00 | Orix Buffaloes v Seibu Lions | D | 3-3 |
| Japan NPB | 2018/06/26 09:00 | Orix Buffaloes v Seibu Lions | L | 4-2 |
| Japan NPB | 2018/06/24 05:00 | Seibu Lions v Lotte Marines | W | 8-6 |
Away History
| Japan NPB | 2018/07/03 09:00 | Seibu Lions v Nippon Ham Fighters | L | 5-2 |
| Japan NPB | 2018/07/01 05:00 | Orix Buffaloes v Nippon Ham Fighters | L | 6-3 |
| Japan NPB | 2018/06/30 05:00 | Orix Buffaloes v Nippon Ham Fighters | W | 2-5 |
| Japan NPB | 2018/06/29 09:00 | Orix Buffaloes v Nippon Ham Fighters | L | 2-1 |
| Japan NPB | 2018/06/27 09:30 | Nippon Ham Fighters v Softbank Hawks | W | 3-2 |
| Japan NPB | 2018/06/26 09:30 | Softbank Hawks v Nippon Ham Fighters | W | 0-5 |
| Japan NPB | 2018/06/24 04:00 | Nippon Ham Fighters v Rakuten Eagles | L | 5-6 |
| Japan NPB | 2018/06/23 05:00 | Nippon Ham Fighters v Rakuten Eagles | L | 2-3 |