Head to Head
| 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 |
| Japan NPB | 2018/04/01 05:00 | Seibu Lions v Nippon Ham Fighters | W | 4-1 |
| Japan NPB | 2018/03/31 05:30 | Seibu Lions v Nippon Ham Fighters | W | 7-2 |
| Japan NPB | 2018/03/30 09:30 | Seibu Lions v Nippon Ham Fighters | W | 11-2 |
| Japan NPB | 2017/10/05 09:00 | Nippon Ham Fighters v Seibu Lions | L | 8-6 |
| Japan NPB | 2017/10/01 05:00 | Seibu Lions v Nippon Ham Fighters | W | 5-0 |
| Japan NPB | 2017/09/30 09:00 | Seibu Lions v Nippon Ham Fighters | L | 3-4 |
Home History
| Japan NPB | 2018/05/13 04:00 | Lotte Marines v Seibu Lions | W | 0-6 |
| Japan NPB | 2018/05/12 05:00 | Lotte Marines v Seibu Lions | L | 11-2 |
| Japan NPB | 2018/05/11 09:00 | Lotte Marines v Seibu Lions | L | 12-3 |
| Japan NPB | 2018/05/09 09:00 | Softbank Hawks v Seibu Lions | L | 3-0 |
| Japan NPB | 2018/05/08 09:00 | Softbank Hawks v Seibu Lions | L | 5-0 |
| Japan NPB | 2018/05/06 04:00 | Seibu Lions v Rakuten Eagles | W | 11-0 |
| Japan NPB | 2018/05/05 05:00 | Seibu Lions v Rakuten Eagles | W | 10-4 |
| Japan NPB | 2018/05/04 09:00 | Seibu Lions v Rakuten Eagles | W | 6-5 |
Away History
| Japan NPB | 2018/05/13 04:00 | Nippon Ham Fighters v Softbank Hawks | L | 0-8 |
| Japan NPB | 2018/05/12 05:00 | Nippon Ham Fighters v Softbank Hawks | W | 5-3 |
| Japan NPB | 2018/05/11 09:00 | Nippon Ham Fighters v Softbank Hawks | W | 5-4 |
| Japan NPB | 2018/05/10 09:00 | Nippon Ham Fighters v Orix Buffaloes | L | 1-2 |
| Japan NPB | 2018/05/09 09:00 | Nippon Ham Fighters v Orix Buffaloes | W | 8-2 |
| Japan NPB | 2018/05/08 09:00 | Nippon Ham Fighters v Orix Buffaloes | L | 4-8 |
| Japan NPB | 2018/05/06 05:00 | Lotte Marines v Nippon Ham Fighters | W | 1-6 |
| Japan NPB | 2018/05/05 05:00 | Lotte Marines v Nippon Ham Fighters | W | 4-6 |