| Japan - NPB - Reserveliga | 2020/09/17 04:00 | Rakuten Eagles - Reserve v Seibu Lions - Reserve | D | 6-6 |
| Japan - NPB - Reserveliga | 2020/07/09 04:00 | Rakuten Eagles - Reserve v Seibu Lions - Reserve | L | 7-8 |
| Japan - NPB - Reserveliga | 2020/07/07 03:59 | Rakuten Eagles - Reserve v Seibu Lions - Reserve | D | 0-0 |
| Japan - NPB - Reserveliga | 2019/07/25 04:00 | Seibu Lions - Reserve v Rakuten Eagles - Reserve | W | 0-7 |
| Japan - NPB - Reserveliga | 2019/07/24 04:00 | Seibu Lions - Reserve v Rakuten Eagles - Reserve | W | 3-5 |
| Japan - NPB - Reserveliga | 2019/06/27 04:00 | Rakuten Eagles - Reserve v Seibu Lions - Reserve | L | 0-2 |
| Japan - NPB - Reserveliga | 2019/06/26 04:00 | Rakuten Eagles - Reserve v Seibu Lions - Reserve | L | 5-6 |
| Japan - NPB - Reserveliga | 2019/06/25 04:00 | Rakuten Eagles - Reserve v Seibu Lions - Reserve | W | 5-1 |
| Japan - NPB - Reserveliga | 2020/10/01 04:00 | Rakuten Eagles - Reserve v Yomiuri Giants - Reserve | L | 2-4 |
| Japan - NPB - Reserveliga | 2020/09/30 04:00 | Rakuten Eagles - Reserve v Yomiuri Giants - Reserve | L | 4-6 |
| Japan - NPB - Reserveliga | 2020/09/29 04:00 | Rakuten Eagles - Reserve v Yomiuri Giants - Reserve | W | 12-5 |
| Japan - NPB - Reserveliga | 2020/09/20 04:00 | Rakuten Eagles - Reserve v Yomiuri Giants - Reserve | D | 0-0 |
| Japan - NPB - Reserveliga | 2020/09/19 04:00 | Rakuten Eagles - Reserve v Yomiuri Giants - Reserve | D | 10-10 |
| Japan - NPB - Reserveliga | 2020/09/17 04:00 | Rakuten Eagles - Reserve v Seibu Lions - Reserve | D | 6-6 |
| Japan - NPB - Reserveliga | 2020/09/04 04:07 | Rakuten Eagles - Reserve v Nipponham Fighters - Reserve | L | 1-5 |
| Japan - NPB - Reserveliga | 2020/07/09 04:00 | Rakuten Eagles - Reserve v Seibu Lions - Reserve | L | 7-8 |
| Japan - NPB - Reserveliga | 2020/10/08 03:30 | Nipponham Fighters - Reserve v Seibu Lions - Reserve | D | 0-0 |
| Japan - NPB - Reserveliga | 2020/10/07 03:30 | Nipponham Fighters - Reserve v Seibu Lions - Reserve | L | 11-5 |
| Japan - NPB - Reserveliga | 2020/10/06 03:30 | Nipponham Fighters - Reserve v Seibu Lions - Reserve | L | 11-2 |
| Japan - NPB - Reserveliga | 2020/10/04 03:30 | Yomiuri Giants - Reserve v Seibu Lions - Reserve | D | 0-0 |
| Japan - NPB - Reserveliga | 2020/10/02 04:00 | Yomiuri Giants - Reserve v Seibu Lions - Reserve | L | 6-4 |
| Japan - NPB - Reserveliga | 2020/09/29 09:00 | Seibu Lions - Reserve v Yokohama Bay Stars - Reserve | D | 0-0 |
| Japan - NPB - Reserveliga | 2020/09/20 04:00 | Yokohama Bay Stars - Reserve v Seibu Lions - Reserve | L | 10-8 |
| Japan - NPB - Reserveliga | 2020/09/19 04:00 | Yokohama Bay Stars - Reserve v Seibu Lions - Reserve | D | 5-5 |