| Japan NPB Reserve League | 2021/08/19 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | L | 8-9 |
| Japan NPB Reserve League | 2021/08/18 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | W | 13-1 |
| Japan NPB Reserve League | 2021/08/17 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | L | 0-2 |
| 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 | 2021/03/26 03:54 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | L | 6-8 |
| Japan NPB Reserve League | 2020/09/29 09:00 | Seibu Lions Reserves v Yokohama Bay Stars Reserves | D | 0-0 |
| Japan NPB Reserve League | 2020/09/20 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | W | 10-8 |
| Japan NPB Reserve League | 2022/08/18 04:00 | Yokohama Bay Stars Reserves v Nipponham Fighters Reserves | L | 2-5 |
| Japan NPB Reserve League | 2022/06/09 04:00 | Yokohama Bay Stars Reserves v Nipponham Fighters Reserves | W | 9-2 |
| Japan NPB Reserve League | 2022/06/08 04:00 | Yokohama Bay Stars Reserves v Nipponham Fighters Reserves | D | 4-4 |
| Japan NPB Reserve League | 2022/06/07 04:00 | Yokohama Bay Stars Reserves v Nipponham Fighters Reserves | D | 3-3 |
| Japan NPB Reserve League | 2022/05/19 04:00 | Yokohama Bay Stars Reserves v Yomiuri Giants Reserves | D | 1-1 |
| Japan NPB Reserve League | 2022/05/18 03:55 | Yokohama Bay Stars Reserves v Yomiuri Giants Reserves | L | 6-7 |
| Japan NPB Reserve League | 2022/05/17 04:00 | Yokohama Bay Stars Reserves v Yomiuri Giants Reserves | L | 1-2 |
| Japan NPB Reserve League | 2022/04/21 04:00 | Yokohama Bay Stars Reserves v Yomiuri Giants Reserves | L | 1-6 |
| Japan NPB Reserve League | 2022/09/13 04:00 | Yomiuri Giants Reserves v Seibu Lions Reserves | D | 0-0 |
| Japan NPB Reserve League | 2022/08/26 04:00 | Nipponham Fighters Reserves v Seibu Lions Reserves | L | 6-4 |
| Japan NPB Reserve League | 2022/08/23 04:30 | Nipponham Fighters Reserves v Seibu Lions Reserves | D | 5-5 |
| Japan NPB Reserve League | 2022/08/22 09:00 | Chiba Lotte Marines Reserves v Seibu Lions Reserves | D | 0-0 |
| Japan NPB Reserve League | 2022/08/12 04:00 | Seibu Lions Reserves v Yomiuri Giants Reserves | L | 6-13 |
| Japan NPB Reserve League | 2022/08/03 04:00 | Chiba Lotte Marines Reserves v Seibu Lions Reserves | L | 4-1 |
| Japan NPB Reserve League | 2022/07/14 04:02 | Rakuten Eagles Reserves v Seibu Lions Reserves | W | 2-7 |
| Japan NPB Reserve League | 2022/06/24 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | W | 5-14 |