Head to Head
| Japan - NPB | 2018/08/21 09:30 | Seibu Lions v Lotte Marines | L | 4-6 |
| Japan - NPB | 2018/07/29 09:00 | Seibu Lions v Lotte Marines | W | 9-3 |
| Japan - NPB | 2018/07/11 09:00 | Lotte Marines v Seibu Lions | W | 4-8 |
| Japan - NPB | 2018/07/10 09:00 | Lotte Marines v Seibu Lions | L | 7-5 |
| Japan - NPB | 2018/07/09 09:00 | Lotte Marines v Seibu Lions | W | 5-11 |
| Japan - NPB | 2018/06/24 05:00 | Seibu Lions v Lotte Marines | W | 8-6 |
| Japan - NPB | 2018/06/23 05:00 | Seibu Lions v Lotte Marines | L | 3-4 |
| Japan - NPB | 2018/06/22 09:15 | Seibu Lions v Lotte Marines | W | 5-1 |
Home History
| Japan - NPB | 2018/08/21 09:30 | Seibu Lions v Lotte Marines | L | 4-6 |
| Japan - NPB | 2018/08/19 09:00 | Nippon Ham Fighters v Seibu Lions | W | 4-7 |
| Japan - NPB | 2018/08/18 09:00 | Nippon Ham Fighters v Seibu Lions | W | 6-7 |
| Japan - NPB | 2018/08/17 09:00 | Nippon Ham Fighters v Seibu Lions | L | 5-3 |
| Japan - NPB | 2018/08/16 09:00 | Orix Buffaloes v Seibu Lions | D | 1-1 |
| Japan - NPB | 2018/08/15 09:00 | Orix Buffaloes v Seibu Lions | L | 4-3 |
| Japan - NPB | 2018/08/14 09:00 | Orix Buffaloes v Seibu Lions | W | 6-7 |
| Japan - NPB | 2018/08/12 08:00 | Seibu Lions v Rakuten Eagles | L | 1-3 |
Away History
| Japan - NPB | 2018/08/21 09:30 | Seibu Lions v Lotte Marines | W | 4-6 |
| Japan - NPB | 2018/08/19 08:00 | Lotte Marines v Rakuten Eagles | W | 8-7 |
| Japan - NPB | 2018/08/18 09:00 | Lotte Marines v Rakuten Eagles | L | 2-3 |
| Japan - NPB | 2018/08/17 09:00 | Lotte Marines v Rakuten Eagles | W | 1-0 |
| Japan - NPB | 2018/08/16 09:00 | Lotte Marines v Nippon Ham Fighters | W | 6-2 |
| Japan - NPB | 2018/08/15 09:00 | Lotte Marines v Nippon Ham Fighters | L | 1-4 |
| Japan - NPB | 2018/08/14 09:00 | Lotte Marines v Nippon Ham Fighters | W | 3-1 |
| Japan - NPB | 2018/08/12 04:00 | Lotte Marines v Orix Buffaloes | L | 2-3 |