Head to Head
| Japan NPB | 2021/04/21 09:00 | Seibu Lions v Orix Buffaloes | L | 2-4 |
| Japan NPB | 2021/04/20 09:00 | Seibu Lions v Orix Buffaloes | L | 3-11 |
| Japan NPB | 2021/03/28 04:00 | Orix Buffaloes v Seibu Lions | W | 1-5 |
| Japan NPB | 2021/03/27 05:00 | Orix Buffaloes v Seibu Lions | L | 3-2 |
| Japan NPB | 2021/03/26 08:45 | Orix Buffaloes v Seibu Lions | W | 3-4 |
| Japan NPB Exhibition | 2021/03/14 05:00 | Seibu Lions v Orix Buffaloes | L | 0-5 |
| Japan NPB | 2020/10/18 04:00 | Orix Buffaloes v Seibu Lions | W | 2-3 |
| Japan NPB | 2020/10/17 05:00 | Orix Buffaloes v Seibu Lions | L | 4-1 |
Home History
| Japan NPB | 2021/04/21 09:00 | Seibu Lions v Orix Buffaloes | L | 2-4 |
| Japan NPB | 2021/04/20 09:00 | Seibu Lions v Orix Buffaloes | L | 3-11 |
| Japan NPB | 2021/04/18 04:00 | Softbank Hawks v Seibu Lions | D | 4-4 |
| Japan NPB | 2021/04/17 08:45 | Softbank Hawks v Seibu Lions | L | 7-1 |
| Japan NPB | 2021/04/16 08:45 | Softbank Hawks v Seibu Lions | W | 1-2 |
| Japan NPB | 2021/04/14 08:45 | Nippon Ham Fighters v Seibu Lions | W | 1-2 |
| Japan NPB | 2021/04/13 08:45 | Nippon Ham Fighters v Seibu Lions | L | 3-2 |
| Japan NPB | 2021/04/11 05:00 | Seibu Lions v Lotte Marines | W | 2-1 |
Away History
| Japan NPB | 2021/04/21 09:00 | Seibu Lions v Orix Buffaloes | W | 2-4 |
| Japan NPB | 2021/04/20 09:00 | Seibu Lions v Orix Buffaloes | W | 3-11 |
| Japan NPB | 2021/04/18 04:00 | Lotte Marines v Orix Buffaloes | L | 3-2 |
| Japan NPB | 2021/04/17 05:00 | Lotte Marines v Orix Buffaloes | L | 7-2 |
| Japan NPB | 2021/04/16 09:00 | Lotte Marines v Orix Buffaloes | D | 3-3 |
| Japan NPB | 2021/04/15 09:00 | Orix Buffaloes v Softbank Hawks | L | 3-4 |
| Japan NPB | 2021/04/14 09:00 | Orix Buffaloes v Softbank Hawks | L | 1-4 |
| Japan NPB | 2021/04/13 09:00 | Orix Buffaloes v Softbank Hawks | W | 7-4 |