| Japan - NPB Reserve League | 2019/06/16 04:00 | Seibu Lions - Reserves v Yomiuri Giants - Reserves | W | 9-4 |
| Japan - NPB Reserve League | 2019/07/03 04:00 | Seibu Lions - Reserves v Nipponham Fighters - Reserves | W | 2-1 |
| Japan - NPB Reserve League | 2019/06/28 04:00 | Yakult Swallows - Reserves v Seibu Lions - Reserves | L | 4-3 |
| Japan - NPB Reserve League | 2019/06/27 04:00 | Rakuten Eagles - Reserves v Seibu Lions - Reserves | W | 0-2 |
| Japan - NPB Reserve League | 2019/06/26 04:00 | Rakuten Eagles - Reserves v Seibu Lions - Reserves | W | 5-6 |
| Japan - NPB Reserve League | 2019/06/25 04:00 | Rakuten Eagles - Reserves v Seibu Lions - Reserves | L | 5-1 |
| Japan - NPB Reserve League | 2019/06/23 04:00 | Seibu Lions - Reserves v Yokohama Bay Stars - Reserves | L | 0-4 |
| Japan - NPB Reserve League | 2019/06/22 04:00 | Seibu Lions - Reserves v Yokohama Bay Stars - Reserves | D | 0-0 |
| Japan - NPB Reserve League | 2019/06/21 02:00 | Seibu Lions - Reserves v Yokohama Bay Stars - Reserves | L | 1-10 |
| Japan - NPB Reserve League | 2019/07/03 09:00 | Yomiuri Giants - Reserves v Yokohama Bay Stars - Reserves | W | 9-6 |
| Japan - NPB Reserve League | 2019/07/02 02:00 | Yomiuri Giants - Reserves v Yokohama Bay Stars - Reserves | W | 3-0 |
| Japan - NPB Reserve League | 2019/06/28 04:06 | Rakuten Eagles - Reserves v Yomiuri Giants - Reserves | L | 1-0 |
| Japan - NPB Reserve League | 2019/06/27 04:00 | Chiba Lotte Marines - Reserves v Yomiuri Giants - Reserves | W | 4-6 |
| Japan - NPB Reserve League | 2019/06/26 04:00 | Chiba Lotte Marines - Reserves v Yomiuri Giants - Reserves | W | 0-3 |
| Japan - NPB Reserve League | 2019/06/25 04:00 | Chiba Lotte Marines - Reserves v Yomiuri Giants - Reserves | W | 1-2 |
| Japan - NPB Reserve League | 2019/06/20 04:00 | Yomiuri Giants - Reserves v Rakuten Eagles - Reserves | W | 7-4 |
| Japan - NPB Reserve League | 2019/06/19 04:00 | Yomiuri Giants - Reserves v Rakuten Eagles - Reserves | L | 1-2 |