| Japan NPB Reserve League | 2023/06/25 04:00 | Yomiuri Giants Reserves v Seibu Lions Reserves | W | 2-3 |
| Japan NPB Reserve League | 2023/06/24 04:30 | Yomiuri Giants Reserves v Seibu Lions Reserves | W | 1-6 |
| Japan NPB Reserve League | 2023/06/23 09:00 | Yomiuri Giants Reserves v Seibu Lions Reserves | L | 2-1 |
| Japan NPB Reserve League | 2023/06/08 04:00 | Seibu Lions Reserves v Yomiuri Giants Reserves | W | 4-2 |
| Japan NPB Reserve League | 2023/06/07 04:00 | Seibu Lions Reserves v Yomiuri Giants Reserves | W | 6-4 |
| Japan NPB Reserve League | 2023/06/06 04:00 | Seibu Lions Reserves v Yomiuri Giants Reserves | W | 5-1 |
| Japan NPB Reserve League | 2023/05/12 04:00 | Yomiuri Giants Reserves v Seibu Lions Reserves | W | 3-4 |
| Japan NPB Reserve League | 2023/03/31 04:00 | Yomiuri Giants Reserves v Seibu Lions Reserves | W | 2-12 |
| Japan NPB Reserve League | 2023/07/22 04:30 | Nipponham Fighters Reserves v Seibu Lions Reserves | L | 12-2 |
| Japan NPB Reserve League | 2023/07/21 09:00 | Nipponham Fighters Reserves v Seibu Lions Reserves | W | 0-1 |
| Japan NPB Reserve League | 2023/07/13 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | D | 6-6 |
| Japan NPB Reserve League | 2023/07/12 09:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | W | 1-2 |
| Japan NPB Reserve League | 2023/07/11 09:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | W | 3-5 |
| Japan NPB Reserve League | 2023/07/02 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | L | 2-0 |
| Japan NPB Reserve League | 2023/06/25 04:00 | Yomiuri Giants Reserves v Seibu Lions Reserves | W | 2-3 |
| Japan NPB Reserve League | 2023/06/24 04:30 | Yomiuri Giants Reserves v Seibu Lions Reserves | W | 1-6 |
| Japan NPB Reserve League | 2023/07/13 04:00 | Rakuten Eagles Reserves v Yomiuri Giants Reserves | L | 2-1 |
| Japan NPB Reserve League | 2023/07/12 04:00 | Rakuten Eagles Reserves v Yomiuri Giants Reserves | L | 9-2 |
| Japan NPB Reserve League | 2023/07/11 04:00 | Rakuten Eagles Reserves v Yomiuri Giants Reserves | L | 7-0 |
| Japan NPB Reserve League | 2023/07/08 04:00 | Yakult Swallows Reserves v Yomiuri Giants Reserves | W | 6-8 |
| Japan NPB Reserve League | 2023/07/07 04:00 | Yakult Swallows Reserves v Yomiuri Giants Reserves | L | 8-3 |
| Japan NPB Reserve League | 2023/06/25 04:00 | Yomiuri Giants Reserves v Seibu Lions Reserves | L | 2-3 |
| Japan NPB Reserve League | 2023/06/24 04:30 | Yomiuri Giants Reserves v Seibu Lions Reserves | L | 1-6 |
| Japan NPB Reserve League | 2023/06/23 09:00 | Yomiuri Giants Reserves v Seibu Lions Reserves | W | 2-1 |