Head to Head
| Japan NPB | 2019/08/10 08:00 | Seibu Lions v Lotte Marines | W | 8-3 |
| Japan NPB | 2019/07/17 09:00 | Lotte Marines v Seibu Lions | W | 3-4 |
| Japan NPB | 2019/07/16 09:00 | Lotte Marines v Seibu Lions | W | 1-5 |
| Japan NPB | 2019/07/15 05:00 | Lotte Marines v Seibu Lions | L | 6-5 |
| Japan NPB | 2019/07/07 05:00 | Seibu Lions v Lotte Marines | L | 2-8 |
| Japan NPB | 2019/07/06 05:00 | Seibu Lions v Lotte Marines | W | 5-0 |
| Japan NPB | 2019/07/05 09:15 | Seibu Lions v Lotte Marines | L | 2-4 |
| Japan NPB | 2019/06/02 05:00 | Seibu Lions v Lotte Marines | L | 1-8 |
Home History
| Japan NPB | 2019/08/10 08:00 | Seibu Lions v Lotte Marines | W | 8-3 |
| Japan NPB | 2019/08/08 09:00 | Rakuten Eagles v Seibu Lions | L | 11-7 |
| Japan NPB | 2019/08/07 09:00 | Rakuten Eagles v Seibu Lions | W | 3-4 |
| Japan NPB | 2019/08/06 09:00 | Rakuten Eagles v Seibu Lions | L | 10-0 |
| Japan NPB | 2019/08/04 04:00 | Seibu Lions v Orix Buffaloes | W | 5-4 |
| Japan NPB | 2019/08/03 05:00 | Seibu Lions v Orix Buffaloes | L | 1-4 |
| Japan NPB | 2019/08/02 09:00 | Seibu Lions v Orix Buffaloes | L | 8-9 |
| Japan NPB | 2019/08/01 09:00 | Softbank Hawks v Seibu Lions | L | 11-10 |
Away History
| Japan NPB | 2019/08/10 08:00 | Seibu Lions v Lotte Marines | L | 8-3 |
| Japan NPB | 2019/08/08 09:15 | Softbank Hawks v Lotte Marines | L | 5-3 |
| Japan NPB | 2019/08/07 09:15 | Softbank Hawks v Lotte Marines | W | 3-5 |
| Japan NPB | 2019/08/06 09:15 | Softbank Hawks v Lotte Marines | W | 2-4 |
| Japan NPB | 2019/08/05 09:00 | Lotte Marines v Rakuten Eagles | W | 8-1 |
| Japan NPB | 2019/08/04 08:00 | Lotte Marines v Rakuten Eagles | W | 11-2 |
| Japan NPB | 2019/08/03 09:00 | Lotte Marines v Rakuten Eagles | D | 0-0 |
| Japan NPB | 2019/08/02 09:00 | Lotte Marines v Rakuten Eagles | L | 2-5 |