Head to Head
| Japan NPB | 2021/06/22 08:45 | Rakuten Eagles v Seibu Lions | L | 0-2 |
| Japan NPB | 2021/05/12 05:00 | Seibu Lions v Rakuten Eagles | W | 3-4 |
| Japan NPB | 2021/05/11 09:00 | Seibu Lions v Rakuten Eagles | D | 3-3 |
| Japan NPB | 2021/04/25 04:00 | Seibu Lions v Rakuten Eagles | W | 4-8 |
| Japan NPB | 2021/04/24 05:00 | Seibu Lions v Rakuten Eagles | W | 1-2 |
| Japan NPB | 2021/04/23 09:00 | Seibu Lions v Rakuten Eagles | D | 2-2 |
| Japan NPB | 2021/04/08 08:45 | Rakuten Eagles v Seibu Lions | W | 4-0 |
| Japan NPB | 2021/04/07 08:45 | Rakuten Eagles v Seibu Lions | W | 6-3 |
Home History
| Japan NPB | 2021/06/22 08:45 | Rakuten Eagles v Seibu Lions | L | 0-2 |
| Japan NPB | 2021/06/21 09:00 | Orix Buffaloes v Rakuten Eagles | L | 4-3 |
| Japan NPB | 2021/06/20 04:00 | Orix Buffaloes v Rakuten Eagles | L | 3-0 |
| Japan NPB | 2021/06/18 09:00 | Orix Buffaloes v Rakuten Eagles | L | 5-2 |
| Japan NPB | 2021/06/13 04:00 | Hanshin Tigers v Rakuten Eagles | L | 6-5 |
| Japan NPB | 2021/06/12 05:00 | Hanshin Tigers v Rakuten Eagles | L | 9-1 |
| Japan NPB | 2021/06/11 09:00 | Hanshin Tigers v Rakuten Eagles | L | 3-2 |
| Japan NPB | 2021/06/10 09:00 | Chunichi Dragons v Rakuten Eagles | W | 2-6 |
Away History
| Japan NPB | 2021/06/22 08:45 | Rakuten Eagles v Seibu Lions | W | 0-2 |
| Japan NPB | 2021/06/20 04:00 | Lotte Marines v Seibu Lions | D | 3-3 |
| Japan NPB | 2021/06/19 05:00 | Lotte Marines v Seibu Lions | W | 2-7 |
| Japan NPB | 2021/06/18 08:45 | Lotte Marines v Seibu Lions | L | 5-0 |
| Japan NPB | 2021/06/15 09:00 | Seibu Lions v Hiroshima Carp | L | 3-5 |
| Japan NPB | 2021/06/14 09:00 | Seibu Lions v Hiroshima Carp | W | 3-2 |
| Japan NPB | 2021/06/13 04:00 | Chunichi Dragons v Seibu Lions | W | 3-4 |
| Japan NPB | 2021/06/12 05:00 | Chunichi Dragons v Seibu Lions | W | 3-7 |