Head to Head
| Japan NPB | 2015/04/21 09:00 | Seibu Lions v Nippon Ham Fighters | W | 6-2 |
| Japan NPB | 2015/04/08 09:30 | Nippon Ham Fighters v Seibu Lions | L | 6-1 |
| Japan NPB | 2015/04/07 09:30 | Nippon Ham Fighters v Seibu Lions | L | 4-0 |
| Japan NPB | 2014/10/02 09:00 | Seibu Lions v Nippon Ham Fighters | W | 9-8 |
| Japan NPB | 2014/09/30 09:00 | Nippon Ham Fighters v Seibu Lions | L | 4-3 |
| Japan NPB | 2014/09/29 09:00 | Nippon Ham Fighters v Seibu Lions | L | 4-1 |
| Japan NPB | 2014/09/17 09:00 | Seibu Lions v Nippon Ham Fighters | L | 0-5 |
| Japan NPB | 2014/09/16 09:00 | Seibu Lions v Nippon Ham Fighters | W | 6-0 |
Home History
| Japan NPB | 2015/04/21 09:00 | Seibu Lions v Nippon Ham Fighters | W | 6-2 |
| Japan NPB | 2015/04/19 04:00 | Orix Buffaloes v Seibu Lions | L | 4-1 |
| Japan NPB | 2015/04/18 05:00 | Orix Buffaloes v Seibu Lions | L | 5-1 |
| Japan NPB | 2015/04/16 09:00 | Seibu Lions v Rakuten Eagles | W | 8-4 |
| Japan NPB | 2015/04/15 09:00 | Seibu Lions v Rakuten Eagles | W | 14-2 |
| Japan NPB | 2015/04/14 09:00 | Seibu Lions v Rakuten Eagles | L | 1-2 |
| Japan NPB | 2015/04/12 04:00 | Seibu Lions v Lotte Marines | L | 5-9 |
| Japan NPB | 2015/04/11 04:00 | Seibu Lions v Lotte Marines | W | 2-1 |
Away History
| Japan NPB | 2015/04/21 09:00 | Seibu Lions v Nippon Ham Fighters | L | 6-2 |
| Japan NPB | 2015/04/19 04:00 | Rakuten Eagles v Nippon Ham Fighters | W | 0-3 |
| Japan NPB | 2015/04/18 05:00 | Rakuten Eagles v Nippon Ham Fighters | L | 4-2 |
| Japan NPB | 2015/04/17 09:00 | Rakuten Eagles v Nippon Ham Fighters | L | 7-2 |
| Japan NPB | 2015/04/15 09:00 | Nippon Ham Fighters v Lotte Marines | W | 8-2 |
| Japan NPB | 2015/04/14 09:00 | Nippon Ham Fighters v Lotte Marines | L | 1-6 |
| Japan NPB | 2015/04/12 04:00 | Softbank Hawks v Nippon Ham Fighters | W | 0-1 |
| Japan NPB | 2015/04/11 04:00 | Softbank Hawks v Nippon Ham Fighters | L | 4-2 |