Head to Head
| Japan NPB | 2018/08/03 09:00 | Nippon Ham Fighters v Seibu Lions | L | 3-4 |
| Japan NPB | 2018/07/03 09:00 | Seibu Lions v Nippon Ham Fighters | L | 5-2 |
| Japan NPB | 2018/05/27 04:00 | Nippon Ham Fighters v Seibu Lions | W | 10-8 |
| Japan NPB | 2018/05/26 05:00 | Nippon Ham Fighters v Seibu Lions | W | 6-5 |
| Japan NPB | 2018/05/25 09:00 | Nippon Ham Fighters v Seibu Lions | W | 8-5 |
| Japan NPB | 2018/05/16 09:00 | Seibu Lions v Nippon Ham Fighters | W | 0-1 |
| Japan NPB | 2018/05/15 09:00 | Seibu Lions v Nippon Ham Fighters | W | 0-2 |
| Japan NPB | 2018/04/18 09:00 | Nippon Ham Fighters v Seibu Lions | L | 8-9 |
Home History
| Japan NPB | 2018/08/03 09:00 | Nippon Ham Fighters v Seibu Lions | L | 3-4 |
| Japan NPB | 2018/08/01 04:00 | Lotte Marines v Nippon Ham Fighters | W | 7-8 |
| Japan NPB | 2018/07/31 04:00 | Lotte Marines v Nippon Ham Fighters | W | 1-14 |
| Japan NPB | 2018/07/29 05:00 | Orix Buffaloes v Nippon Ham Fighters | L | 8-2 |
| Japan NPB | 2018/07/28 05:00 | Orix Buffaloes v Nippon Ham Fighters | W | 0-3 |
| Japan NPB | 2018/07/27 09:00 | Orix Buffaloes v Nippon Ham Fighters | W | 2-13 |
| Japan NPB | 2018/07/25 09:00 | Nippon Ham Fighters v Rakuten Eagles | L | 1-8 |
| Japan NPB | 2018/07/24 09:00 | Nippon Ham Fighters v Rakuten Eagles | L | 8-10 |
Away History
| Japan NPB | 2018/08/03 09:00 | Nippon Ham Fighters v Seibu Lions | W | 3-4 |
| Japan NPB | 2018/08/02 09:00 | Softbank Hawks v Seibu Lions | W | 2-10 |
| Japan NPB | 2018/08/01 09:00 | Softbank Hawks v Seibu Lions | L | 14-6 |
| Japan NPB | 2018/07/31 09:00 | Softbank Hawks v Seibu Lions | W | 4-7 |
| Japan NPB | 2018/07/29 09:00 | Seibu Lions v Lotte Marines | W | 9-3 |
| Japan NPB | 2018/07/26 09:00 | Orix Buffaloes v Seibu Lions | W | 1-2 |
| Japan NPB | 2018/07/25 09:00 | Orix Buffaloes v Seibu Lions | W | 5-6 |
| Japan NPB | 2018/07/24 09:00 | Orix Buffaloes v Seibu Lions | W | 1-7 |