Head to Head
| Japán - NPB | 2021/09/25 05:00 | Lotte Marines v Seibu Lions | W | 3-1 |
| Japán - NPB | 2021/09/24 08:45 | Lotte Marines v Seibu Lions | L | 4-5 |
| Japán - NPB | 2021/09/01 08:45 | Seibu Lions v Lotte Marines | L | 14-7 |
| Japán - NPB | 2021/08/31 08:45 | Seibu Lions v Lotte Marines | W | 1-5 |
| Japán - NPB | 2021/08/19 08:45 | Seibu Lions v Lotte Marines | D | 3-3 |
| Japán - NPB | 2021/08/18 08:45 | Seibu Lions v Lotte Marines | W | 3-5 |
| Japán - NPB | 2021/08/17 08:45 | Seibu Lions v Lotte Marines | L | 8-2 |
| Japán - NPB | 2021/07/14 08:45 | Lotte Marines v Seibu Lions | L | 3-8 |
Home History
| Japán - NPB | 2021/09/25 05:00 | Lotte Marines v Seibu Lions | W | 3-1 |
| Japán - NPB | 2021/09/24 08:45 | Lotte Marines v Seibu Lions | L | 4-5 |
| Japán - NPB | 2021/09/23 05:00 | Softbank Hawks v Lotte Marines | L | 5-0 |
| Japán - NPB | 2021/09/22 08:45 | Softbank Hawks v Lotte Marines | L | 4-1 |
| Japán - NPB | 2021/09/20 05:00 | Lotte Marines v Nippon Ham Fighters | W | 1-0 |
| Japán - NPB | 2021/09/19 05:00 | Lotte Marines v Nippon Ham Fighters | W | 4-0 |
| Japán - NPB | 2021/09/18 05:00 | Lotte Marines v Nippon Ham Fighters | L | 0-1 |
| Japán - NPB | 2021/09/16 09:00 | Lotte Marines v Softbank Hawks | D | 1-1 |
Away History
| Japán - NPB | 2021/09/25 05:00 | Lotte Marines v Seibu Lions | L | 3-1 |
| Japán - NPB | 2021/09/24 08:45 | Lotte Marines v Seibu Lions | W | 4-5 |
| Japán - NPB | 2021/09/23 05:00 | Rakuten Eagles v Seibu Lions | W | 3-4 |
| Japán - NPB | 2021/09/22 08:45 | Rakuten Eagles v Seibu Lions | L | 4-2 |
| Japán - NPB | 2021/09/20 04:00 | Seibu Lions v Orix Buffaloes | W | 6-4 |
| Japán - NPB | 2021/09/19 04:00 | Seibu Lions v Orix Buffaloes | L | 1-4 |
| Japán - NPB | 2021/09/18 05:00 | Seibu Lions v Orix Buffaloes | L | 0-4 |
| Japán - NPB | 2021/09/16 08:45 | Nippon Ham Fighters v Seibu Lions | L | 3-1 |