| Japan - NPB Reserve League | 2020/07/22 07:00 | Yokohama Bay Stars - Reserves v Yomiuri Giants - Reserves | L | 1-6 |
| Japan - NPB Reserve League | 2020/07/21 04:00 | Yokohama Bay Stars - Reserves v Yomiuri Giants - Reserves | W | 6-4 |
| Japan - NPB Reserve League | 2019/07/03 09:00 | Yomiuri Giants - Reserves v Yokohama Bay Stars - Reserves | L | 9-6 |
| Japan - NPB Reserve League | 2019/07/02 02:00 | Yomiuri Giants - Reserves v Yokohama Bay Stars - Reserves | L | 3-0 |
| Japan - NPB Reserve League | 2019/05/28 09:00 | Yomiuri Giants - Reserves v Yokohama Bay Stars - Reserves | W | 7-8 |
| Japan - NPB Reserve League | 2021/07/29 04:00 | Yokohama Bay Stars - Reserves v Seibu Lions - Reserves | L | 6-10 |
| Japan - NPB Reserve League | 2021/07/28 04:00 | Yokohama Bay Stars - Reserves v Seibu Lions - Reserves | W | 8-2 |
| Japan - NPB Reserve League | 2021/07/12 04:00 | Yokohama Bay Stars - Reserves v Nipponham Fighters - Reserves | L | 0-9 |
| Japan - NPB Reserve League | 2021/06/24 04:00 | Yokohama Bay Stars - Reserves v Nipponham Fighters - Reserves | L | 2-3 |
| Japan - NPB Reserve League | 2021/03/26 03:54 | Yokohama Bay Stars - Reserves v Seibu Lions - Reserves | L | 6-8 |
| Japan - NPB Reserve Exhibition | 2021/02/19 04:00 | Yokohama Bay Stars - Reserves v Nipponham Fighters - Reserves | W | 6-2 |
| Japan - NPB Reserve League | 2020/11/27 03:30 | Chiba Lotte Marines - Reserves v Yokohama Bay Stars - Reserves | L | 10-4 |
| Japan - NPB Reserve League | 2020/11/23 03:30 | Yokohama Bay Stars - Reserves v Yakult Swallows - Reserves | L | 1-5 |
| Japan - NPB Reserve League | 2021/07/29 04:00 | Yomiuri Giants - Reserves v Chiba Lotte Marines - Reserves | L | 5-6 |
| Japan - NPB Reserve League | 2021/07/25 07:00 | Seibu Lions - Reserves v Yomiuri Giants - Reserves | L | 5-2 |
| Japan - NPB Reserve League | 2021/07/24 07:00 | Seibu Lions - Reserves v Yomiuri Giants - Reserves | W | 2-3 |
| Japan - NPB Reserve League | 2021/07/23 07:00 | Seibu Lions - Reserves v Yomiuri Giants - Reserves | L | 9-4 |
| Japan - NPB Reserve League | 2021/07/05 07:00 | Rakuten Eagles - Reserves v Yomiuri Giants - Reserves | L | 6-5 |
| Japan - NPB Reserve League | 2021/06/29 02:39 | Chiba Lotte Marines - Reserves v Yomiuri Giants - Reserves | L | 6-4 |
| Japan - NPB Reserve League | 2021/06/24 07:00 | Yakult Swallows - Reserves v Yomiuri Giants - Reserves | W | 0-3 |
| Japan - NPB Reserve League | 2021/06/22 02:00 | Yakult Swallows - Reserves v Yomiuri Giants - Reserves | L | 8-2 |