| Japonia - NPB Reserve League | 2019/07/03 04:00 | Seibu Lions - Rezerwa v Nipponham Fighters - Rezerwa | W | 2-1 |
| Japonia - NPB Reserve League | 2019/06/12 04:00 | Seibu Lions - Rezerwa v Nipponham Fighters - Rezerwa | L | 1-5 |
| Japonia - NPB Reserve League | 2019/05/24 04:00 | Nipponham Fighters - Rezerwa v Seibu Lions - Rezerwa | W | 1-4 |
| Japonia - NPB Reserve League | 2019/04/24 04:21 | Seibu Lions - Rezerwa v Nipponham Fighters - Rezerwa | L | 3-7 |
| Japonia - NPB Reserve League | 2019/04/23 04:00 | Seibu Lions - Rezerwa v Nipponham Fighters - Rezerwa | L | 0-5 |