Head to Head
| Japan NPB | 2018/08/25 09:00 | Seibu Lions v Softbank Hawks | L | 1-5 |
| Japan NPB | 2018/08/02 09:00 | Softbank Hawks v Seibu Lions | W | 2-10 |
| Japan NPB | 2018/08/01 09:00 | Softbank Hawks v Seibu Lions | L | 14-6 |
| Japan NPB | 2018/07/31 09:00 | Softbank Hawks v Seibu Lions | W | 4-7 |
| Japan NPB | 2018/07/18 09:00 | Seibu Lions v Softbank Hawks | W | 12-5 |
| Japan NPB | 2018/07/17 09:00 | Seibu Lions v Softbank Hawks | L | 1-6 |
| Japan NPB | 2018/07/16 09:00 | Seibu Lions v Softbank Hawks | L | 4-16 |
| Japan NPB | 2018/05/24 09:00 | Seibu Lions v Softbank Hawks | W | 12-5 |
Home History
| Japan NPB | 2018/08/25 09:00 | Seibu Lions v Softbank Hawks | L | 1-5 |
| Japan NPB | 2018/08/23 09:15 | Seibu Lions v Lotte Marines | W | 4-2 |
| Japan NPB | 2018/08/22 09:15 | Seibu Lions v Lotte Marines | W | 8-3 |
| Japan NPB | 2018/08/21 09:30 | Seibu Lions v Lotte Marines | L | 4-6 |
| Japan NPB | 2018/08/19 09:00 | Nippon Ham Fighters v Seibu Lions | W | 4-7 |
| Japan NPB | 2018/08/18 09:00 | Nippon Ham Fighters v Seibu Lions | W | 6-7 |
| Japan NPB | 2018/08/17 09:00 | Nippon Ham Fighters v Seibu Lions | L | 5-3 |
| Japan NPB | 2018/08/16 09:00 | Orix Buffaloes v Seibu Lions | D | 1-1 |
Away History
| Japan NPB | 2018/08/25 09:00 | Seibu Lions v Softbank Hawks | W | 1-5 |
| Japan NPB | 2018/08/23 09:00 | Softbank Hawks v Nippon Ham Fighters | W | 6-2 |
| Japan NPB | 2018/08/22 09:00 | Nippon Ham Fighters v Softbank Hawks | W | 6-9 |
| Japan NPB | 2018/08/21 09:00 | Softbank Hawks v Nippon Ham Fighters | W | 10-5 |
| Japan NPB | 2018/08/19 04:00 | Softbank Hawks v Orix Buffaloes | W | 8-4 |
| Japan NPB | 2018/08/18 09:00 | Softbank Hawks v Orix Buffaloes | W | 7-2 |
| Japan NPB | 2018/08/17 09:00 | Softbank Hawks v Orix Buffaloes | W | 9-0 |
| Japan NPB | 2018/08/16 09:00 | Rakuten Eagles v Softbank Hawks | L | 3-2 |