Head to Head
| Japan NPB | 2021/05/03 08:45 | Orix Buffaloes v Seibu Lions | W | 6-3 |
| Japan NPB | 2021/04/22 09:00 | Seibu Lions v Orix Buffaloes | W | 6-7 |
| 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 | 2021/03/28 04:00 | Orix Buffaloes v Seibu Lions | L | 1-5 |
| Japan NPB | 2021/03/27 05:00 | Orix Buffaloes v Seibu Lions | W | 3-2 |
| Japan NPB | 2021/03/26 08:45 | Orix Buffaloes v Seibu Lions | L | 3-4 |
| Japan NPB Exhibition | 2021/03/14 05:00 | Seibu Lions v Orix Buffaloes | W | 0-5 |
Home History
| Japan NPB | 2021/05/03 08:45 | Orix Buffaloes v Seibu Lions | W | 6-3 |
| Japan NPB | 2021/05/02 04:00 | Softbank Hawks v Orix Buffaloes | W | 4-5 |
| Japan NPB | 2021/05/01 05:00 | Softbank Hawks v Orix Buffaloes | L | 13-0 |
| Japan NPB | 2021/04/30 09:00 | Softbank Hawks v Orix Buffaloes | W | 4-5 |
| Japan NPB | 2021/04/28 09:00 | Rakuten Eagles v Orix Buffaloes | D | 0-0 |
| Japan NPB | 2021/04/27 09:00 | Rakuten Eagles v Orix Buffaloes | D | 5-5 |
| Japan NPB | 2021/04/25 05:00 | Orix Buffaloes v Nippon Ham Fighters | D | 4-4 |
| Japan NPB | 2021/04/24 05:00 | Orix Buffaloes v Nippon Ham Fighters | L | 3-5 |
Away History
| Japan NPB | 2021/05/03 08:45 | Orix Buffaloes v Seibu Lions | L | 6-3 |
| Japan NPB | 2021/05/01 05:00 | Seibu Lions v Nippon Ham Fighters | L | 4-5 |
| Japan NPB | 2021/04/30 09:00 | Seibu Lions v Nippon Ham Fighters | W | 5-1 |
| Japan NPB | 2021/04/29 05:00 | Lotte Marines v Seibu Lions | L | 5-2 |
| Japan NPB | 2021/04/28 08:45 | Lotte Marines v Seibu Lions | W | 2-3 |
| Japan NPB | 2021/04/27 08:45 | Lotte Marines v Seibu Lions | W | 1-3 |
| Japan NPB | 2021/04/25 04:00 | Seibu Lions v Rakuten Eagles | L | 4-8 |
| Japan NPB | 2021/04/24 05:00 | Seibu Lions v Rakuten Eagles | L | 1-2 |