| Japan NPB Reserve League | 2020/10/13 03:30 | Rakuten Eagles Reserves v Seibu Lions Reserves | D | 4-4 |
| Japan NPB Reserve League | 2020/10/12 03:30 | Rakuten Eagles Reserves v Seibu Lions Reserves | W | 7-2 |
| Japan NPB Reserve League | 2020/09/17 04:00 | Rakuten Eagles Reserves v Seibu Lions Reserves | D | 6-6 |
| Japan NPB Reserve League | 2020/07/09 04:00 | Rakuten Eagles Reserves v Seibu Lions Reserves | L | 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 | 2019/07/25 04:00 | Seibu Lions Reserves v Rakuten Eagles Reserves | W | 0-7 |
| Japan NPB Reserve League | 2019/07/24 04:00 | Seibu Lions Reserves v Rakuten Eagles Reserves | W | 3-5 |
| Japan NPB Reserve League | 2019/06/27 04:00 | Rakuten Eagles Reserves v Seibu Lions Reserves | L | 0-2 |
| Japan NPB Reserve League | 2020/10/13 03:30 | Rakuten Eagles Reserves v Seibu Lions Reserves | D | 4-4 |
| Japan NPB Reserve League | 2020/10/12 03:30 | Rakuten Eagles Reserves v Seibu Lions Reserves | W | 7-2 |
| Japan NPB Reserve League | 2020/10/01 04:00 | Rakuten Eagles Reserves v Yomiuri Giants Reserves | L | 2-4 |
| Japan NPB Reserve League | 2020/09/30 04:00 | Rakuten Eagles Reserves v Yomiuri Giants Reserves | L | 4-6 |
| Japan NPB Reserve League | 2020/09/29 04:00 | Rakuten Eagles Reserves v Yomiuri Giants Reserves | W | 12-5 |
| Japan NPB Reserve League | 2020/09/20 04:00 | Rakuten Eagles Reserves v Yomiuri Giants Reserves | D | 0-0 |
| Japan NPB Reserve League | 2020/09/19 04:00 | Rakuten Eagles Reserves v Yomiuri Giants Reserves | D | 10-10 |
| Japan NPB Reserve League | 2020/09/17 04:00 | Rakuten Eagles Reserves v Seibu Lions Reserves | D | 6-6 |
| Japan NPB Reserve League | 2020/10/13 03:30 | Rakuten Eagles Reserves v Seibu Lions Reserves | D | 4-4 |
| Japan NPB Reserve League | 2020/10/12 03:30 | Rakuten Eagles Reserves v Seibu Lions Reserves | L | 7-2 |
| Japan NPB Reserve League | 2020/10/08 03:30 | Nipponham Fighters Reserves v Seibu Lions Reserves | D | 0-0 |
| Japan NPB Reserve League | 2020/10/07 03:30 | Nipponham Fighters Reserves v Seibu Lions Reserves | L | 11-5 |
| Japan NPB Reserve League | 2020/10/06 03:30 | Nipponham Fighters Reserves v Seibu Lions Reserves | L | 11-2 |
| 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 | L | 6-4 |
| Japan NPB Reserve League | 2020/09/29 09:00 | Seibu Lions Reserves v Yokohama Bay Stars Reserves | D | 0-0 |