Head to Head
| Japan NPB | 2015/09/02 09:00 | Seibu Lions v Softbank Hawks | L | 4-5 |
| Japan NPB | 2015/09/01 09:00 | Seibu Lions v Softbank Hawks | W | 13-3 |
| Japan NPB | 2015/08/16 04:00 | Softbank Hawks v Seibu Lions | W | 4-6 |
| Japan NPB | 2015/08/15 05:00 | Softbank Hawks v Seibu Lions | L | 6-5 |
| Japan NPB | 2015/08/14 09:00 | Softbank Hawks v Seibu Lions | L | 8-2 |
| Japan NPB | 2015/08/02 09:00 | Seibu Lions v Softbank Hawks | L | 3-4 |
| Japan NPB | 2015/08/01 09:00 | Seibu Lions v Softbank Hawks | L | 1-2 |
| Japan NPB | 2015/07/31 09:00 | Seibu Lions v Softbank Hawks | L | 2-4 |
Home History
| Japan NPB | 2015/09/02 09:00 | Seibu Lions v Softbank Hawks | L | 4-5 |
| Japan NPB | 2015/09/01 09:00 | Seibu Lions v Softbank Hawks | W | 13-3 |
| Japan NPB | 2015/08/31 09:00 | Rakuten Eagles v Seibu Lions | W | 3-15 |
| Japan NPB | 2015/08/29 09:00 | Rakuten Eagles v Seibu Lions | L | 8-4 |
| Japan NPB | 2015/08/28 09:00 | Rakuten Eagles v Seibu Lions | W | 2-3 |
| Japan NPB | 2015/08/27 09:00 | Nippon Ham Fighters v Seibu Lions | W | 0-6 |
| Japan NPB | 2015/08/26 09:00 | Nippon Ham Fighters v Seibu Lions | L | 3-0 |
| Japan NPB | 2015/08/25 09:00 | Nippon Ham Fighters v Seibu Lions | L | 2-0 |
Away History
| Japan NPB | 2015/09/02 09:00 | Seibu Lions v Softbank Hawks | W | 4-5 |
| Japan NPB | 2015/09/01 09:00 | Seibu Lions v Softbank Hawks | L | 13-3 |
| Japan NPB | 2015/08/30 04:00 | Softbank Hawks v Nippon Ham Fighters | D | 2-2 |
| Japan NPB | 2015/08/29 05:00 | Softbank Hawks v Nippon Ham Fighters | W | 5-4 |
| Japan NPB | 2015/08/28 09:00 | Softbank Hawks v Nippon Ham Fighters | L | 1-11 |
| Japan NPB | 2015/08/26 09:00 | Softbank Hawks v Lotte Marines | W | 3-0 |
| Japan NPB | 2015/08/25 09:00 | Softbank Hawks v Lotte Marines | W | 7-4 |
| Japan NPB | 2015/08/23 08:00 | Rakuten Eagles v Softbank Hawks | W | 4-6 |