Head to Head
| Japan - NPB | 2021/10/09 05:00 | Rakuten Eagles v Seibu Lions | W | 2-1 |
| Japan - NPB | 2021/09/23 05:00 | Rakuten Eagles v Seibu Lions | L | 3-4 |
| Japan - NPB | 2021/09/22 08:45 | Rakuten Eagles v Seibu Lions | W | 4-2 |
| Japan - NPB | 2021/09/05 06:00 | Seibu Lions v Rakuten Eagles | W | 2-8 |
| Japan - NPB | 2021/09/04 05:00 | Seibu Lions v Rakuten Eagles | W | 5-8 |
| Japan - NPB | 2021/09/03 09:00 | Seibu Lions v Rakuten Eagles | L | 8-4 |
| Japan - NPB | 2021/08/15 08:00 | Rakuten Eagles v Seibu Lions | L | 2-10 |
| Japan - NPB | 2021/08/14 08:00 | Rakuten Eagles v Seibu Lions | W | 7-6 |
| Japan - NPB | 2021/08/13 08:45 | Rakuten Eagles v Seibu Lions | W | 5-0 |
| Japan - NPB | 2021/07/11 04:00 | Seibu Lions v Rakuten Eagles | W | 3-9 |
| Japan - NPB | 2021/07/10 07:00 | Seibu Lions v Rakuten Eagles | L | 6-2 |
| Japan - NPB | 2021/06/23 08:45 | Rakuten Eagles v Seibu Lions | W | 6-4 |
| 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 |
| Japan - NPB | 2021/04/06 08:45 | Rakuten Eagles v Seibu Lions | W | 13-2 |
| Japan - NPB | 2020/11/07 05:00 | Seibu Lions v Rakuten Eagles | D | 6-6 |
| Japan - NPB | 2020/11/06 09:00 | Seibu Lions v Rakuten Eagles | W | 2-4 |
| Japan - NPB | 2020/10/29 09:00 | Rakuten Eagles v Seibu Lions | W | 13-5 |
| Japan - NPB | 2020/10/28 09:00 | Rakuten Eagles v Seibu Lions | L | 3-4 |
| Japan - NPB | 2020/10/27 09:00 | Rakuten Eagles v Seibu Lions | L | 3-4 |
| Japan - NPB | 2020/10/11 04:00 | Seibu Lions v Rakuten Eagles | W | 2-8 |
| Japan - NPB | 2020/10/09 09:00 | Seibu Lions v Rakuten Eagles | L | 5-2 |
| Japan - NPB | 2020/09/27 04:00 | Rakuten Eagles v Seibu Lions | L | 2-6 |
| Japan - NPB | 2020/09/26 05:00 | Rakuten Eagles v Seibu Lions | L | 1-5 |