Head to Head
| Japan NPB | 2015/07/11 06:00 | Nippon Ham Fighters v Seibu Lions | W | 8-7 |
| Japan NPB | 2015/07/10 09:00 | Nippon Ham Fighters v Seibu Lions | W | 1-0 |
| Japan NPB | 2015/06/28 04:00 | Seibu Lions v Nippon Ham Fighters | W | 0-2 |
| Japan NPB | 2015/06/27 05:00 | Seibu Lions v Nippon Ham Fighters | L | 9-3 |
| Japan NPB | 2015/06/26 09:00 | Seibu Lions v Nippon Ham Fighters | L | 12-4 |
| Japan NPB | 2015/05/14 09:00 | Nippon Ham Fighters v Seibu Lions | W | 2-1 |
| Japan NPB | 2015/05/13 09:00 | Nippon Ham Fighters v Seibu Lions | L | 7-8 |
| Japan NPB | 2015/05/12 09:00 | Nippon Ham Fighters v Seibu Lions | L | 2-5 |
Home History
| Japan NPB | 2015/07/11 06:00 | Nippon Ham Fighters v Seibu Lions | W | 8-7 |
| Japan NPB | 2015/07/10 09:00 | Nippon Ham Fighters v Seibu Lions | W | 1-0 |
| Japan NPB | 2015/07/07 09:15 | Lotte Marines v Nippon Ham Fighters | W | 3-6 |
| Japan NPB | 2015/07/05 05:00 | Rakuten Eagles v Nippon Ham Fighters | L | 3-2 |
| Japan NPB | 2015/07/04 09:00 | Rakuten Eagles v Nippon Ham Fighters | W | 2-3 |
| Japan NPB | 2015/07/03 09:00 | Rakuten Eagles v Nippon Ham Fighters | W | 4-5 |
| Japan NPB | 2015/07/02 09:00 | Nippon Ham Fighters v Orix Buffaloes | W | 8-4 |
| Japan NPB | 2015/06/28 04:00 | Seibu Lions v Nippon Ham Fighters | W | 0-2 |
Away History
| Japan NPB | 2015/07/11 06:00 | Nippon Ham Fighters v Seibu Lions | L | 8-7 |
| Japan NPB | 2015/07/10 09:00 | Nippon Ham Fighters v Seibu Lions | L | 1-0 |
| Japan NPB | 2015/07/08 09:00 | Seibu Lions v Orix Buffaloes | L | 6-12 |
| Japan NPB | 2015/07/07 09:00 | Seibu Lions v Orix Buffaloes | W | 1-0 |
| Japan NPB | 2015/07/05 04:00 | Seibu Lions v Lotte Marines | W | 3-1 |
| Japan NPB | 2015/07/04 05:00 | Seibu Lions v Lotte Marines | W | 8-2 |
| Japan NPB | 2015/07/03 09:00 | Seibu Lions v Lotte Marines | D | 5-5 |
| Japan NPB | 2015/07/02 09:00 | Softbank Hawks v Seibu Lions | L | 4-3 |