Head to Head
| 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 |
| Japan NPB | 2018/05/23 09:00 | Seibu Lions v Softbank Hawks | W | 2-1 |
| Japan NPB | 2018/05/22 09:00 | Seibu Lions v Softbank Hawks | L | 3-5 |
| Japan NPB | 2018/05/09 09:00 | Softbank Hawks v Seibu Lions | L | 3-0 |
| Japan NPB | 2018/05/08 09:00 | Softbank Hawks v Seibu Lions | L | 5-0 |
| Japan NPB | 2018/04/26 09:00 | Seibu Lions v Softbank Hawks | L | 1-4 |
Home History
| 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 | 2018/07/11 09:00 | Lotte Marines v Seibu Lions | W | 4-8 |
| Japan NPB | 2018/07/10 09:00 | Lotte Marines v Seibu Lions | L | 7-5 |
| Japan NPB | 2018/07/09 09:00 | Lotte Marines v Seibu Lions | W | 5-11 |
| Japan NPB | 2018/07/08 04:00 | Seibu Lions v Rakuten Eagles | W | 4-3 |
| Japan NPB | 2018/07/07 07:00 | Seibu Lions v Rakuten Eagles | W | 3-2 |
| Japan NPB | 2018/07/03 09:00 | Seibu Lions v Nippon Ham Fighters | W | 5-2 |
Away History
| Japan NPB | 2018/07/17 09:00 | Seibu Lions v Softbank Hawks | W | 1-6 |
| Japan NPB | 2018/07/16 09:00 | Seibu Lions v Softbank Hawks | W | 4-16 |
| Japan NPB | 2018/07/10 09:00 | Nippon Ham Fighters v Softbank Hawks | L | 12-0 |
| Japan NPB | 2018/07/09 09:00 | Nippon Ham Fighters v Softbank Hawks | L | 10-1 |
| Japan NPB | 2018/07/08 04:00 | Softbank Hawks v Orix Buffaloes | W | 8-0 |
| Japan NPB | 2018/07/05 09:00 | Softbank Hawks v Rakuten Eagles | L | 5-6 |
| Japan NPB | 2018/07/03 09:00 | Softbank Hawks v Rakuten Eagles | W | 5-2 |
| Japan NPB | 2018/07/01 04:00 | Lotte Marines v Softbank Hawks | L | 4-1 |