Head to Head
| Japan NPB | 2018/05/03 04:00 | Seibu Lions v Orix Buffaloes | W | 8-0 |
| Japan NPB | 2018/05/02 09:00 | Seibu Lions v Orix Buffaloes | L | 5-6 |
| Japan NPB | 2018/05/01 09:00 | Seibu Lions v Orix Buffaloes | L | 2-4 |
| Japan NPB | 2018/04/08 04:00 | Orix Buffaloes v Seibu Lions | W | 4-7 |
| Japan NPB | 2018/04/07 05:00 | Orix Buffaloes v Seibu Lions | W | 3-6 |
| Japan NPB | 2018/04/06 09:00 | Orix Buffaloes v Seibu Lions | W | 1-5 |
| Japan Pre-Season Friendlies | 2018/03/11 04:00 | Orix Buffaloes v Seibu Lions | L | 6-2 |
| Japan NPB | 2017/09/24 05:00 | Orix Buffaloes v Seibu Lions | W | 5-8 |
Home History
| Japan NPB | 2018/05/13 04:00 | Lotte Marines v Seibu Lions | W | 0-6 |
| Japan NPB | 2018/05/12 05:00 | Lotte Marines v Seibu Lions | L | 11-2 |
| Japan NPB | 2018/05/11 09:00 | Lotte Marines v Seibu Lions | L | 12-3 |
| Japan NPB | 2018/05/09 09:00 | Softbank Hawks v Seibu Lions | L | 3-0 |
| Japan NPB | 2018/05/08 09:00 | Softbank Hawks v Seibu Lions | L | 5-0 |
| Japan NPB | 2018/05/06 04:00 | Seibu Lions v Rakuten Eagles | W | 11-0 |
| Japan NPB | 2018/05/05 05:00 | Seibu Lions v Rakuten Eagles | W | 10-4 |
| Japan NPB | 2018/05/04 09:00 | Seibu Lions v Rakuten Eagles | W | 6-5 |
Away History
| Japan NPB | 2018/05/13 04:00 | Rakuten Eagles v Orix Buffaloes | L | 9-1 |
| Japan NPB | 2018/05/12 04:00 | Rakuten Eagles v Orix Buffaloes | L | 2-0 |
| Japan NPB | 2018/05/11 09:00 | Rakuten Eagles v Orix Buffaloes | L | 5-2 |
| Japan NPB | 2018/05/10 09:00 | Nippon Ham Fighters v Orix Buffaloes | W | 1-2 |
| Japan NPB | 2018/05/09 09:00 | Nippon Ham Fighters v Orix Buffaloes | L | 8-2 |
| Japan NPB | 2018/05/08 09:00 | Nippon Ham Fighters v Orix Buffaloes | W | 4-8 |
| Japan NPB | 2018/05/06 04:00 | Orix Buffaloes v Softbank Hawks | W | 5-2 |
| Japan NPB | 2018/05/05 05:00 | Orix Buffaloes v Softbank Hawks | L | 0-3 |