| 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 | 2019/07/06 07:00 | Seibu Lions - Reserves v Yomiuri Giants - Reserves | L | 5-0 |
| Japan - NPB Reserve League | 2019/07/05 07:00 | Seibu Lions - Reserves v Yomiuri Giants - Reserves | L | 3-1 |
| 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 | 2019/07/06 04:00 | Hanshin Tigers - Reserves v Yakult Swallows - Reserves | D | 0-0 |
| Japan - NPB Reserve League | 2019/07/04 04:00 | Yakult Swallows - Reserves v Rakuten Eagles - Reserves | D | 0-0 |
| Japan - NPB Reserve League | 2019/07/03 04:00 | Yakult Swallows - Reserves v Rakuten Eagles - Reserves | L | 1-3 |
| Japan - NPB Reserve League | 2019/07/02 04:00 | Yakult Swallows - Reserves v Rakuten Eagles - Reserves | L | 1-9 |
| Japan - NPB Reserve League | 2019/06/28 04:00 | Yakult Swallows - Reserves v Seibu Lions - Reserves | W | 4-3 |
| Japan - NPB Reserve League | 2019/06/27 04:00 | Nipponham Fighters - Reserves v Yakult Swallows - Reserves | L | 9-1 |
| Japan - NPB Reserve League | 2019/06/26 04:00 | Nipponham Fighters - Reserves v Yakult Swallows - Reserves | L | 2-1 |
| Japan - NPB Reserve League | 2019/06/25 04:00 | Nipponham Fighters - Reserves v Yakult Swallows - Reserves | W | 3-4 |