Head to Head
| Japan NPB | 2015/06/23 09:00 | Seibu Lions v Softbank Hawks | L | 2-3 |
| Japan NPB | 2015/05/17 04:00 | Softbank Hawks v Seibu Lions | L | 4-1 |
| Japan NPB | 2015/05/16 05:00 | Softbank Hawks v Seibu Lions | L | 12-4 |
| Japan NPB | 2015/05/15 09:00 | Softbank Hawks v Seibu Lions | D | 3-3 |
| Japan NPB | 2015/04/26 04:00 | Softbank Hawks v Seibu Lions | W | 7-9 |
| Japan NPB | 2015/04/25 04:00 | Softbank Hawks v Seibu Lions | W | 2-4 |
| Japan NPB | 2015/04/24 09:00 | Softbank Hawks v Seibu Lions | D | 3-3 |
| Japan NPB | 2015/04/05 04:00 | Seibu Lions v Softbank Hawks | W | 4-0 |
Home History
| Japan NPB | 2015/06/23 09:00 | Seibu Lions v Softbank Hawks | L | 2-3 |
| Japan NPB | 2015/06/21 04:00 | Orix Buffaloes v Seibu Lions | W | 0-8 |
| Japan NPB | 2015/06/20 05:00 | Orix Buffaloes v Seibu Lions | W | 0-14 |
| Japan NPB | 2015/06/19 09:00 | Orix Buffaloes v Seibu Lions | L | 5-2 |
| Japan NPB | 2015/06/14 04:00 | Seibu Lions v Yakult Swallows | W | 3-2 |
| Japan NPB | 2015/06/13 05:00 | Seibu Lions v Yakult Swallows | W | 6-4 |
| Japan NPB | 2015/06/12 09:00 | Seibu Lions v Yakult Swallows | L | 3-9 |
| Japan NPB | 2015/06/11 09:00 | Seibu Lions v Hiroshima Carp | W | 5-4 |
Away History
| Japan NPB | 2015/06/23 09:00 | Seibu Lions v Softbank Hawks | W | 2-3 |
| Japan NPB | 2015/06/21 04:00 | Softbank Hawks v Nippon Ham Fighters | W | 4-2 |
| Japan NPB | 2015/06/20 05:00 | Softbank Hawks v Nippon Ham Fighters | W | 11-1 |
| Japan NPB | 2015/06/19 09:00 | Softbank Hawks v Nippon Ham Fighters | W | 4-3 |
| Japan NPB | 2015/06/14 04:00 | Softbank Hawks v Hiroshima Carp | W | 7-2 |
| Japan NPB | 2015/06/13 05:00 | Softbank Hawks v Hiroshima Carp | L | 3-9 |
| Japan NPB | 2015/06/12 09:00 | Softbank Hawks v Hiroshima Carp | L | 0-6 |
| Japan NPB | 2015/06/11 09:00 | Softbank Hawks v Hanshin Tigers | W | 5-3 |