Head to Head
| Japan Pre-Season Friendlies | 2019/03/06 09:00 | Seibu Lions v Softbank Hawks | L | 2-5 |
| Japan Pre-Season Friendlies | 2019/03/05 09:00 | Seibu Lions v Softbank Hawks | W | 11-3 |
| Japan NPB | 2018/10/21 04:00 | Softbank Hawks v Seibu Lions | L | 6-5 |
| Japan NPB | 2018/10/20 05:00 | Softbank Hawks v Seibu Lions | L | 8-2 |
| Japan NPB | 2018/10/19 09:00 | Softbank Hawks v Seibu Lions | L | 15-4 |
| Japan NPB | 2018/10/18 09:00 | Softbank Hawks v Seibu Lions | W | 5-13 |
| Japan NPB | 2018/10/17 09:00 | Softbank Hawks v Seibu Lions | L | 10-4 |
| Japan NPB | 2018/10/06 09:00 | Seibu Lions v Softbank Hawks | L | 3-8 |
Home History
| Japan Pre-Season Friendlies | 2019/03/06 09:00 | Seibu Lions v Softbank Hawks | L | 2-5 |
| Japan Pre-Season Friendlies | 2019/03/05 09:00 | Seibu Lions v Softbank Hawks | W | 11-3 |
| Japan NPB | 2018/10/21 04:00 | Softbank Hawks v Seibu Lions | L | 6-5 |
| Japan NPB | 2018/10/20 05:00 | Softbank Hawks v Seibu Lions | L | 8-2 |
| Japan NPB | 2018/10/19 09:00 | Softbank Hawks v Seibu Lions | L | 15-4 |
| Japan NPB | 2018/10/18 09:00 | Softbank Hawks v Seibu Lions | W | 5-13 |
| Japan NPB | 2018/10/17 09:00 | Softbank Hawks v Seibu Lions | L | 10-4 |
| Japan NPB | 2018/10/06 09:00 | Seibu Lions v Softbank Hawks | L | 3-8 |
Away History
| Japan Pre-Season Friendlies | 2019/03/06 09:00 | Seibu Lions v Softbank Hawks | W | 2-5 |
| Japan Pre-Season Friendlies | 2019/03/05 09:00 | Seibu Lions v Softbank Hawks | L | 11-3 |
| Japan Pre-Season Friendlies | 2019/03/02 04:00 | Softbank Hawks v Hanshin Tigers | W | 1-0 |
| Japan Pre-Season Friendlies | 2019/03/02 03:30 | Softbank Hawks v Hiroshima Carp | L | 1-6 |
| Japan NPB | 2018/11/03 09:30 | Softbank Hawks v Hiroshima Carp | W | 2-0 |
| Japan NPB | 2018/11/01 09:30 | Hiroshima Carp v Softbank Hawks | W | 4-5 |
| Japan NPB | 2018/10/31 09:30 | Hiroshima Carp v Softbank Hawks | W | 1-4 |
| Japan NPB | 2018/10/30 09:30 | Hiroshima Carp v Softbank Hawks | W | 8-9 |