| Japan NPB Reserve League | 2020/08/23 04:00 | Yomiuri Giants Reserves v Seibu Lions Reserves | L | 1-0 |
| Japan NPB Reserve League | 2020/08/21 04:00 | Yomiuri Giants Reserves v Seibu Lions Reserves | D | 0-0 |
| Japan NPB Reserve League | 2020/07/16 04:00 | Yomiuri Giants Reserves v Seibu Lions Reserves | W | 2-4 |
| Japan NPB Reserve League | 2020/07/15 04:00 | Yomiuri Giants Reserves v Seibu Lions Reserves | D | 3-3 |
| Japan NPB Reserve League | 2019/07/06 07:00 | Seibu Lions Reserves v Yomiuri Giants Reserves | W | 5-0 |
| Japan NPB Reserve League | 2019/07/05 07:00 | Seibu Lions Reserves v Yomiuri Giants Reserves | W | 3-1 |
| Japan NPB Reserve League | 2019/06/16 04:00 | Seibu Lions Reserves v Yomiuri Giants Reserves | W | 9-4 |
| Japan NPB Reserve League | 2020/09/02 03:56 | Nipponham Fighters Reserves v Seibu Lions Reserves | L | 6-5 |
| Japan NPB Reserve League | 2020/09/01 04:00 | Nipponham Fighters Reserves v Seibu Lions Reserves | L | 6-4 |
| Japan NPB Reserve League | 2020/08/30 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | L | 7-2 |
| Japan NPB Reserve League | 2020/08/23 04:00 | Yomiuri Giants Reserves v Seibu Lions Reserves | L | 1-0 |
| Japan NPB Reserve League | 2020/08/21 04:00 | Yomiuri Giants Reserves v Seibu Lions Reserves | D | 0-0 |
| Japan NPB Reserve League | 2020/08/12 04:00 | Chiba Lotte Marines Reserves v Seibu Lions Reserves | D | 0-0 |
| Japan NPB Reserve League | 2020/08/11 04:00 | Chiba Lotte Marines Reserves v Seibu Lions Reserves | W | 0-7 |
| Japan NPB Reserve League | 2020/08/09 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | W | 1-7 |
| Japan NPB Reserve League | 2020/09/10 04:00 | Nipponham Fighters Reserves v Yomiuri Giants Reserves | W | 5-6 |
| Japan NPB Reserve League | 2020/09/09 04:00 | Nipponham Fighters Reserves v Yomiuri Giants Reserves | W | 4-11 |
| Japan NPB Reserve League | 2020/09/08 04:00 | Nipponham Fighters Reserves v Yomiuri Giants Reserves | L | 4-3 |
| Japan NPB Reserve League | 2020/08/26 07:00 | Chiba Lotte Marines Reserves v Yomiuri Giants Reserves | L | 4-3 |
| Japan NPB Reserve League | 2020/08/25 07:00 | Chiba Lotte Marines Reserves v Yomiuri Giants Reserves | L | 9-2 |
| Japan NPB Reserve League | 2020/08/23 04:00 | Yomiuri Giants Reserves v Seibu Lions Reserves | W | 1-0 |
| Japan NPB Reserve League | 2020/08/21 04:00 | Yomiuri Giants Reserves v Seibu Lions Reserves | D | 0-0 |
| Japan NPB Reserve League | 2020/08/12 04:00 | Yomiuri Giants Reserves v Nipponham Fighters Reserves | W | 8-5 |