Head to Head
| 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 |
Home History
| 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 | 2020/07/19 05:00 | Lotte Marines v Nippon Ham Fighters | L | 2-9 |
| Japan NPB | 2020/07/18 05:00 | Lotte Marines v Nippon Ham Fighters | W | 5-2 |
| Japan NPB | 2020/07/17 09:00 | Lotte Marines v Nippon Ham Fighters | L | 4-7 |
| Japan NPB | 2020/07/16 09:00 | Lotte Marines v Nippon Ham Fighters | W | 4-3 |
| Japan NPB | 2020/07/15 09:00 | Lotte Marines v Nippon Ham Fighters | L | 4-6 |
Away History
| Japan NPB | 2020/07/23 09:00 | Lotte Marines v Seibu Lions | W | 2-3 |
| Japan NPB | 2020/07/22 09:00 | Lotte Marines v Seibu Lions | L | 2-1 |
| Japan NPB | 2020/07/21 09:00 | Lotte Marines v Seibu Lions | W | 3-8 |
| Japan NPB | 2020/07/19 04:00 | Seibu Lions v Rakuten Eagles | L | 5-9 |
| Japan NPB | 2020/07/18 05:00 | Seibu Lions v Rakuten Eagles | W | 4-3 |
| Japan NPB | 2020/07/17 09:00 | Seibu Lions v Rakuten Eagles | W | 10-2 |
| Japan NPB | 2020/07/16 09:00 | Seibu Lions v Rakuten Eagles | L | 4-7 |
| Japan NPB | 2020/07/15 09:00 | Seibu Lions v Rakuten Eagles | L | 0-11 |