Head to Head
| Japan NPB | 2015/04/25 04:00 | Softbank Hawks v Seibu Lions | L | 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 | L | 4-0 |
| Japan NPB | 2015/04/04 05:00 | Seibu Lions v Softbank Hawks | W | 0-2 |
| Japan NPB | 2015/04/03 09:00 | Seibu Lions v Softbank Hawks | W | 3-7 |
| Japan NPB | 2014/09/21 04:00 | Seibu Lions v Softbank Hawks | W | 1-3 |
| Japan NPB | 2014/09/20 05:00 | Seibu Lions v Softbank Hawks | L | 6-5 |
| Japan NPB | 2014/09/19 09:00 | Seibu Lions v Softbank Hawks | L | 6-3 |
Home History
| Japan NPB | 2015/04/25 04:00 | Softbank Hawks v Seibu Lions | L | 2-4 |
| Japan NPB | 2015/04/24 09:00 | Softbank Hawks v Seibu Lions | D | 3-3 |
| Japan NPB | 2015/04/22 09:00 | Softbank Hawks v Rakuten Eagles | W | 2-1 |
| Japan NPB | 2015/04/21 09:00 | Softbank Hawks v Rakuten Eagles | W | 7-1 |
| Japan NPB | 2015/04/19 04:00 | Lotte Marines v Softbank Hawks | W | 4-5 |
| Japan NPB | 2015/04/18 05:00 | Lotte Marines v Softbank Hawks | L | 9-0 |
| Japan NPB | 2015/04/17 09:15 | Lotte Marines v Softbank Hawks | W | 2-4 |
| Japan NPB | 2015/04/16 09:00 | Orix Buffaloes v Softbank Hawks | L | 6-3 |
Away History
| 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 | 2015/04/22 09:00 | Seibu Lions v Nippon Ham Fighters | L | 1-5 |
| 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 |