| Japan - NPB Reserve League | 2021/03/23 04:00 | Yomiuri Giants - Reserves v Seibu Lions - Reserves | L | 0-1 |
| Japan - NPB Reserve League | 2020/10/30 03:30 | Yomiuri Giants - Reserves v Seibu Lions - Reserves | D | 2-2 |
| Japan - NPB Reserve League | 2020/10/04 03:30 | Yomiuri Giants - Reserves v Seibu Lions - Reserves | D | 0-0 |
| Japan - NPB Reserve League | 2020/10/02 04:00 | Yomiuri Giants - Reserves v Seibu Lions - Reserves | W | 6-4 |
| Japan - NPB Reserve League | 2020/09/12 04:00 | Seibu Lions - Reserves v Yomiuri Giants - Reserves | D | 0-0 |
| Japan - NPB Reserve League | 2020/09/11 04:00 | Seibu Lions - Reserves v Yomiuri Giants - Reserves | W | 5-7 |
| 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 | 2021/03/23 04:00 | Yomiuri Giants - Reserves v Seibu Lions - Reserves | L | 0-1 |
| Japan - NPB Reserve League | 2020/11/28 03:30 | Yomiuri Giants - Reserves v SoftBank Hawks - Reserves | L | 1-11 |
| Japan - NPB Reserve League | 2020/11/22 03:30 | Yomiuri Giants - Reserves v SoftBank Hawks - Reserves | L | 1-2 |
| Japan - NPB Reserve League | 2020/11/19 03:30 | Yomiuri Giants - Reserves v Hiroshima Carp - Reserves | L | 1-8 |
| Japan - NPB Reserve League | 2020/11/15 03:35 | Chunichi Dragons - Reserves v Yomiuri Giants - Reserves | W | 2-5 |
| Japan - NPB Reserve League | 2020/11/13 03:30 | Hanshin Tigers - Reserves v Yomiuri Giants - Reserves | W | 1-5 |
| Japan - NPB Reserve League | 2020/11/08 03:30 | SoftBank Hawks - Reserves v Yomiuri Giants - Reserves | L | 4-0 |
| Japan - NPB Reserve League | 2020/10/30 03:30 | Yomiuri Giants - Reserves v Seibu Lions - Reserves | D | 2-2 |
| Japan - NPB Reserve League | 2021/03/23 04:00 | Yomiuri Giants - Reserves v Seibu Lions - Reserves | W | 0-1 |
| Japan - NPB Reserve League | 2020/11/29 02:00 | Seibu Lions - Reserves v Hiroshima Carp - Reserves | W | 2-0 |
| Japan - NPB Reserve League | 2020/11/28 03:30 | Seibu Lions - Reserves v Rakuten Eagles - Reserves | D | 5-5 |
| Japan - NPB Reserve League | 2020/11/27 03:30 | SoftBank Hawks - Reserves v Seibu Lions - Reserves | L | 3-2 |
| Japan - NPB Reserve League | 2020/11/22 03:30 | Chiba Lotte Marines - Reserves v Seibu Lions - Reserves | L | 9-4 |
| Japan - NPB Reserve League | 2020/11/21 03:30 | Seibu Lions - Reserves v SoftBank Hawks - Reserves | W | 6-5 |
| Japan - NPB Reserve League | 2020/10/30 03:30 | Yomiuri Giants - Reserves v Seibu Lions - Reserves | D | 2-2 |
| Japan - NPB Reserve League | 2020/10/25 03:30 | Yakult Swallows - Reserves v Seibu Lions - Reserves | W | 3-4 |