| Japan - NPB Reserve League | 2019/04/24 04:21 | Seibu Lions - Reserves v Nipponham Fighters - Reserves | W | 3-7 |
| Japan - NPB Reserve League | 2019/04/23 04:00 | Seibu Lions - Reserves v Nipponham Fighters - Reserves | W | 0-5 |
| Japan - NPB Reserve League | 2019/05/23 04:00 | Yomiuri Giants - Reserves v Nipponham Fighters - Reserves | W | 0-1 |
| Japan - NPB Reserve League | 2019/05/10 04:00 | Rakuten Eagles - Reserves v Nipponham Fighters - Reserves | W | 6-7 |
| Japan - NPB Reserve League | 2019/04/24 04:21 | Seibu Lions - Reserves v Nipponham Fighters - Reserves | W | 3-7 |
| Japan - NPB Reserve League | 2019/04/23 04:00 | Seibu Lions - Reserves v Nipponham Fighters - Reserves | W | 0-5 |
| Japan - NPB Reserve League | 2019/05/17 04:00 | Seibu Lions - Reserves v Rakuten Eagles - Reserves | L | 0-3 |
| Japan - NPB Reserve League | 2019/05/07 04:00 | Seibu Lions - Reserves v Yakult Swallows - Reserves | D | 5-5 |
| Japan - NPB Reserve League | 2019/04/24 04:21 | Seibu Lions - Reserves v Nipponham Fighters - Reserves | L | 3-7 |
| Japan - NPB Reserve League | 2019/04/23 04:00 | Seibu Lions - Reserves v Nipponham Fighters - Reserves | L | 0-5 |