| Japan NPB Reserve League | 2019/07/06 07:00 | Seibu Lions Reserves v Yomiuri Giants Reserves | L | 5-0 |
| Japan NPB Reserve League | 2019/07/05 07:00 | Seibu Lions Reserves v Yomiuri Giants Reserves | L | 3-1 |
| Japan NPB Reserve League | 2019/06/16 04:00 | Seibu Lions Reserves v Yomiuri Giants Reserves | L | 9-4 |
| Japan NPB Reserve League | 2020/07/08 07:00 | Nipponham Fighters Reserves v Yomiuri Giants Reserves | W | 2-8 |
| Japan NPB Reserve League | 2020/07/07 07:00 | Nipponham Fighters Reserves v Yomiuri Giants Reserves | D | 0-0 |
| Japan NPB Reserve League | 2020/06/28 04:00 | Yomiuri Giants Reserves v Rakuten Eagles Reserves | D | 0-0 |
| Japan NPB Reserve League | 2020/06/19 04:00 | Yomiuri Giants Reserves v Nipponham Fighters Reserves | D | 0-0 |
| Japan NPB Reserve League | 2019/07/08 04:00 | Yomiuri Giants Reserves v Yakult Swallows Reserves | W | 1-0 |
| Japan NPB Reserve League | 2019/07/06 07:00 | Seibu Lions Reserves v Yomiuri Giants Reserves | L | 5-0 |
| Japan NPB Reserve League | 2019/07/05 07:00 | Seibu Lions Reserves v Yomiuri Giants Reserves | L | 3-1 |
| Japan NPB Reserve League | 2019/07/03 09:00 | Yomiuri Giants Reserves v Yokohama Bay Stars Reserves | W | 9-6 |
| Japan NPB Reserve League | 2020/07/09 04:00 | Rakuten Eagles Reserves v Seibu Lions Reserves | W | 7-8 |
| Japan NPB Reserve League | 2020/07/07 03:59 | Rakuten Eagles Reserves v Seibu Lions Reserves | D | 0-0 |
| Japan NPB Reserve League | 2020/06/30 04:00 | Seibu Lions Reserves v Nipponham Fighters Reserves | W | 6-1 |
| Japan NPB Reserve League | 2020/06/28 04:00 | Seibu Lions Reserves v Chiba Lotte Marines Reserves | D | 0-0 |
| Baseball Matches | 2020/03/27 04:00 | Chiba Lotte Marines Reserves v Seibu Lions Reserves | L | 5-4 |
| Japan NPB Reserve League | 2019/07/27 04:16 | Chiba Lotte Marines Reserves v Seibu Lions Reserves | W | 1-2 |
| Japan NPB Reserve League | 2019/07/25 04:00 | Seibu Lions Reserves v Rakuten Eagles Reserves | L | 0-7 |
| Japan NPB Reserve League | 2019/07/24 04:00 | Seibu Lions Reserves v Rakuten Eagles Reserves | L | 3-5 |