| Japan - NPB Reserve League | 2019/06/12 04:00 | Seibu Lions - Reserves v Nipponham Fighters - Reserves | L | 1-5 |
| Japan - NPB Reserve League | 2019/05/31 09:00 | Seibu Lions - Reserves v Yokohama Bay Stars - Reserves | L | 1-4 |
| Japan - NPB Reserve League | 2019/05/24 04:00 | Nipponham Fighters - Reserves v Seibu Lions - Reserves | W | 1-4 |
| 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 |
| Japan - NPB Reserve League | 2019/06/13 04:00 | Yakult Swallows - Reserves v Yomiuri Giants - Reserves | W | 6-9 |
| Japan - NPB Reserve League | 2019/06/12 04:00 | Yakult Swallows - Reserves v Yomiuri Giants - Reserves | L | 2-1 |
| Japan - NPB Reserve League | 2019/06/09 04:00 | Yomiuri Giants - Reserves v Chiba Lotte Marines - Reserves | L | 4-6 |
| Japan - NPB Reserve League | 2019/06/06 04:00 | Nipponham Fighters - Reserves v Yomiuri Giants - Reserves | L | 6-1 |
| Japan - NPB Reserve League | 2019/06/04 04:00 | Nipponham Fighters - Reserves v Yomiuri Giants - Reserves | W | 4-10 |
| Japan - NPB Reserve League | 2019/05/28 09:00 | Yomiuri Giants - Reserves v Yokohama Bay Stars - Reserves | L | 7-8 |
| Japan - NPB Reserve League | 2019/05/27 04:00 | Rakuten Eagles - Reserves v Yomiuri Giants - Reserves | W | 9-10 |
| Japan - NPB Reserve League | 2019/05/23 04:00 | Yomiuri Giants - Reserves v Nipponham Fighters - Reserves | L | 0-1 |