Head to Head
| Japan NPB | 2018/04/25 09:00 | Seibu Lions v Softbank Hawks | W | 12-6 |
| Japan NPB | 2018/04/04 05:00 | Softbank Hawks v Seibu Lions | W | 1-2 |
| Japan NPB | 2018/04/03 09:00 | Softbank Hawks v Seibu Lions | W | 4-7 |
| Japan NPB | 2017/09/28 09:00 | Seibu Lions v Softbank Hawks | L | 5-8 |
| Japan NPB | 2017/09/18 04:00 | Softbank Hawks v Seibu Lions | W | 13-14 |
| Japan NPB | 2017/09/17 04:00 | Softbank Hawks v Seibu Lions | W | 2-3 |
| Japan NPB | 2017/09/16 05:00 | Softbank Hawks v Seibu Lions | L | 7-3 |
| Japan NPB | 2017/08/24 09:00 | Seibu Lions v Softbank Hawks | L | 1-10 |
Home History
| Japan NPB | 2018/04/25 09:00 | Seibu Lions v Softbank Hawks | W | 12-6 |
| Japan NPB | 2018/04/22 04:00 | Lotte Marines v Seibu Lions | W | 5-11 |
| Japan NPB | 2018/04/21 05:00 | Lotte Marines v Seibu Lions | W | 3-9 |
| Japan NPB | 2018/04/20 09:00 | Lotte Marines v Seibu Lions | W | 8-9 |
| Japan NPB | 2018/04/18 09:00 | Nippon Ham Fighters v Seibu Lions | W | 8-9 |
| Japan NPB | 2018/04/17 09:00 | Nippon Ham Fighters v Seibu Lions | L | 7-2 |
| Japan NPB | 2018/04/15 04:00 | Seibu Lions v Rakuten Eagles | L | 6-12 |
| Japan NPB | 2018/04/14 05:00 | Seibu Lions v Rakuten Eagles | W | 5-1 |
Away History
| Japan NPB | 2018/04/25 09:00 | Seibu Lions v Softbank Hawks | L | 12-6 |
| Japan NPB | 2018/04/22 05:00 | Softbank Hawks v Nippon Ham Fighters | L | 2-11 |
| Japan NPB | 2018/04/21 05:00 | Softbank Hawks v Nippon Ham Fighters | W | 10-0 |
| Japan NPB | 2018/04/20 09:00 | Softbank Hawks v Nippon Ham Fighters | L | 1-2 |
| Japan NPB | 2018/04/19 09:00 | Rakuten Eagles v Softbank Hawks | L | 3-1 |
| Japan NPB | 2018/04/18 09:00 | Rakuten Eagles v Softbank Hawks | W | 2-5 |
| Japan NPB | 2018/04/17 09:00 | Rakuten Eagles v Softbank Hawks | W | 3-5 |
| Japan NPB | 2018/04/15 05:00 | Lotte Marines v Softbank Hawks | W | 6-7 |