Head to Head
| Japan NPB | 2015/07/25 09:00 | Seibu Lions v Nippon Ham Fighters | L | 4-6 |
| Japan NPB | 2015/07/24 09:00 | Seibu Lions v Nippon Ham Fighters | L | 6-13 |
| Japan NPB | 2015/07/12 04:00 | Nippon Ham Fighters v Seibu Lions | L | 10-0 |
| 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 | 2015/06/28 04:00 | Seibu Lions v Nippon Ham Fighters | L | 0-2 |
| Japan NPB | 2015/06/27 05:00 | Seibu Lions v Nippon Ham Fighters | W | 9-3 |
| Japan NPB | 2015/06/26 09:00 | Seibu Lions v Nippon Ham Fighters | W | 12-4 |
Home History
| Japan NPB | 2015/07/25 09:00 | Seibu Lions v Nippon Ham Fighters | L | 4-6 |
| Japan NPB | 2015/07/24 09:00 | Seibu Lions v Nippon Ham Fighters | L | 6-13 |
| Japan NPB | 2015/07/21 09:00 | Orix Buffaloes v Seibu Lions | L | 4-1 |
| Japan NPB | 2015/07/20 06:00 | Orix Buffaloes v Seibu Lions | L | 2-0 |
| Japan NPB | 2015/07/15 09:00 | Seibu Lions v Rakuten Eagles | L | 4-7 |
| Japan NPB | 2015/07/14 09:00 | Seibu Lions v Rakuten Eagles | W | 5-2 |
| Japan NPB | 2015/07/12 04:00 | Nippon Ham Fighters v Seibu Lions | L | 10-0 |
| Japan NPB | 2015/07/11 06:00 | Nippon Ham Fighters v Seibu Lions | L | 8-7 |
Away History
| Japan NPB | 2015/07/25 09:00 | Seibu Lions v Nippon Ham Fighters | W | 4-6 |
| Japan NPB | 2015/07/24 09:00 | Seibu Lions v Nippon Ham Fighters | W | 6-13 |
| Japan NPB | 2015/07/22 09:00 | Nippon Ham Fighters v Rakuten Eagles | L | 6-19 |
| Japan NPB | 2015/07/21 09:00 | Nippon Ham Fighters v Rakuten Eagles | L | 1-3 |
| Japan NPB | 2015/07/20 09:00 | Nippon Ham Fighters v Rakuten Eagles | L | 1-3 |
| Japan NPB | 2015/07/15 04:30 | Nippon Ham Fighters v Softbank Hawks | L | 4-7 |
| Japan NPB | 2015/07/14 04:30 | Nippon Ham Fighters v Softbank Hawks | W | 3-2 |
| Japan NPB | 2015/07/12 04:00 | Nippon Ham Fighters v Seibu Lions | W | 10-0 |