| Japonia - NPB Reserve League | 2023/07/30 04:00 | Rakuten Eagles - Rezerwa v Seibu Lions - Rezerwa | W | 11-9 |
| Japonia - NPB Reserve League | 2023/07/29 04:00 | Rakuten Eagles - Rezerwa v Seibu Lions - Rezerwa | L | 8-10 |
| Japonia - NPB Reserve League | 2023/06/10 04:00 | Rakuten Eagles - Rezerwa v Seibu Lions - Rezerwa | W | 10-3 |
| Japonia - NPB Reserve League | 2023/04/12 04:00 | Rakuten Eagles - Rezerwa v Seibu Lions - Rezerwa | W | 4-2 |
| Japonia - NPB Reserve League | 2023/04/10 04:00 | Rakuten Eagles - Rezerwa v Seibu Lions - Rezerwa | L | 4-8 |
| Japonia - NPB Reserve League | 2022/09/25 03:00 | Rakuten Eagles - Rezerwa v Seibu Lions - Rezerwa | W | 5-4 |
| Japonia - NPB Reserve League | 2022/09/23 04:00 | Rakuten Eagles - Rezerwa v Seibu Lions - Rezerwa | D | 0-0 |
| Japonia - NPB Reserve League | 2022/09/21 04:00 | Rakuten Eagles - Rezerwa v Seibu Lions - Rezerwa | L | 4-5 |
| Japonia - NPB Reserve League | 2023/07/30 04:00 | Rakuten Eagles - Rezerwa v Seibu Lions - Rezerwa | W | 11-9 |
| Japonia - NPB Reserve League | 2023/07/29 04:00 | Rakuten Eagles - Rezerwa v Seibu Lions - Rezerwa | L | 8-10 |
| Japonia - NPB Reserve League | 2023/07/13 04:00 | Rakuten Eagles - Rezerwa v Yomiuri Giants - Rezerwa | W | 2-1 |
| Japonia - NPB Reserve League | 2023/07/12 04:00 | Rakuten Eagles - Rezerwa v Yomiuri Giants - Rezerwa | W | 9-2 |
| Japonia - NPB Reserve League | 2023/07/11 04:00 | Rakuten Eagles - Rezerwa v Yomiuri Giants - Rezerwa | W | 7-0 |
| Japonia - NPB Reserve League | 2023/07/10 04:00 | Rakuten Eagles - Rezerwa v Nipponham Fighters - Rezerwa | L | 5-8 |
| Japonia - NPB Reserve League | 2023/06/10 04:00 | Rakuten Eagles - Rezerwa v Seibu Lions - Rezerwa | W | 10-3 |
| Japonia - NPB Reserve League | 2023/05/25 04:00 | Rakuten Eagles - Rezerwa v Nipponham Fighters - Rezerwa | W | 10-2 |
| Japonia - NPB Reserve League | 2023/08/07 04:00 | Seibu Lions - Rezerwa v Nipponham Fighters - Rezerwa | D | 3-3 |
| Japonia - NPB Reserve League | 2023/08/03 09:00 | Chiba Lotte Marines - Rezerwa v Seibu Lions - Rezerwa | W | 1-5 |
| Japonia - NPB Reserve League | 2023/07/30 04:00 | Rakuten Eagles - Rezerwa v Seibu Lions - Rezerwa | L | 11-9 |
| Japonia - NPB Reserve League | 2023/07/29 04:00 | Rakuten Eagles - Rezerwa v Seibu Lions - Rezerwa | W | 8-10 |
| Japonia - NPB Reserve League | 2023/07/25 04:00 | Seibu Lions - Rezerwa v Yomiuri Giants - Rezerwa | W | 5-3 |
| Japonia - NPB Reserve League | 2023/07/22 04:30 | Nipponham Fighters - Rezerwa v Seibu Lions - Rezerwa | L | 12-2 |
| Japonia - NPB Reserve League | 2023/07/21 09:00 | Nipponham Fighters - Rezerwa v Seibu Lions - Rezerwa | W | 0-1 |
| Japonia - NPB Reserve League | 2023/07/13 04:00 | Yokohama Bay Stars - Rezerwa v Seibu Lions - Rezerwa | D | 6-6 |