Head to Head
| Japan NPB | 2020/09/16 09:00 | Lotte Marines v Seibu Lions | L | 1-3 |
| Japan NPB | 2020/09/15 09:00 | Lotte Marines v Seibu Lions | L | 3-4 |
| Japan NPB | 2020/09/03 09:00 | Seibu Lions v Lotte Marines | W | 5-8 |
| Japan NPB | 2020/09/02 09:00 | Seibu Lions v Lotte Marines | L | 4-2 |
| Japan NPB | 2020/09/01 09:00 | Seibu Lions v Lotte Marines | L | 9-1 |
| Japan NPB | 2020/07/26 09:00 | Lotte Marines v Seibu Lions | L | 2-4 |
| Japan NPB | 2020/07/25 09:00 | Lotte Marines v Seibu Lions | W | 5-0 |
| Japan NPB | 2020/07/24 09:00 | Lotte Marines v Seibu Lions | L | 2-3 |
| Japan NPB | 2020/07/23 09:00 | Lotte Marines v Seibu Lions | L | 2-3 |
| Japan NPB | 2020/07/22 09:00 | Lotte Marines v Seibu Lions | W | 2-1 |
| Japan NPB | 2020/07/21 09:00 | Lotte Marines v Seibu Lions | L | 3-8 |
| Japan NPB | 2020/07/12 05:00 | Seibu Lions v Lotte Marines | L | 8-5 |
| Japan NPB | 2020/07/11 05:00 | Seibu Lions v Lotte Marines | W | 4-6 |
| Japan NPB | 2020/07/10 09:00 | Seibu Lions v Lotte Marines | L | 7-6 |
| Japan NPB | 2020/07/08 09:00 | Seibu Lions v Lotte Marines | L | 3-0 |
| Japan NPB | 2020/07/07 09:00 | Seibu Lions v Lotte Marines | W | 6-8 |
| Japan NPB Exhibition | 2020/06/14 04:00 | Lotte Marines v Seibu Lions | L | 3-4 |
| Japan NPB Exhibition | 2020/06/13 05:00 | Lotte Marines v Seibu Lions | L | 2-3 |
| Japan NPB Exhibition | 2020/06/12 09:00 | Lotte Marines v Seibu Lions | L | 6-9 |
| Japan NPB | 2019/09/24 09:15 | Seibu Lions v Lotte Marines | L | 12-4 |
| Japan NPB | 2019/09/16 04:00 | Lotte Marines v Seibu Lions | W | 9-3 |
| Japan NPB | 2019/09/15 04:00 | Lotte Marines v Seibu Lions | L | 5-6 |
| Japan NPB | 2019/09/14 04:00 | Lotte Marines v Seibu Lions | L | 3-4 |
| Japan NPB | 2019/09/13 09:00 | Lotte Marines v Seibu Lions | L | 1-6 |
| Japan NPB | 2019/08/12 08:00 | Seibu Lions v Lotte Marines | L | 9-2 |
| Japan NPB | 2019/08/11 08:00 | Seibu Lions v Lotte Marines | L | 4-2 |
| Japan NPB | 2019/08/10 08:00 | Seibu Lions v Lotte Marines | L | 8-3 |
| Japan NPB | 2019/07/17 09:00 | Lotte Marines v Seibu Lions | L | 3-4 |
| Japan NPB | 2019/07/16 09:00 | Lotte Marines v Seibu Lions | L | 1-5 |
| Japan NPB | 2019/07/15 05:00 | Lotte Marines v Seibu Lions | W | 6-5 |