Head to Head
| Japan NPB | 2015/08/21 09:00 | Seibu Lions v Lotte Marines | W | 7-6 |
| Japan NPB | 2015/07/30 09:15 | Lotte Marines v Seibu Lions | L | 2-0 |
| Japan NPB | 2015/07/29 09:15 | Lotte Marines v Seibu Lions | L | 8-1 |
| Japan NPB | 2015/07/28 09:15 | Lotte Marines v Seibu Lions | L | 2-1 |
| Japan NPB | 2015/07/05 04:00 | Seibu Lions v Lotte Marines | W | 3-1 |
| Japan NPB | 2015/07/04 05:00 | Seibu Lions v Lotte Marines | W | 8-2 |
| Japan NPB | 2015/07/03 09:00 | Seibu Lions v Lotte Marines | D | 5-5 |
| Japan NPB | 2015/05/21 09:00 | Seibu Lions v Lotte Marines | L | 6-10 |
Home History
| Japan NPB | 2015/08/21 09:00 | Seibu Lions v Lotte Marines | W | 7-6 |
| Japan NPB | 2015/08/20 09:00 | Seibu Lions v Rakuten Eagles | W | 15-7 |
| Japan NPB | 2015/08/19 09:00 | Seibu Lions v Rakuten Eagles | W | 6-1 |
| Japan NPB | 2015/08/18 09:00 | Seibu Lions v Rakuten Eagles | W | 1-0 |
| Japan NPB | 2015/08/16 04:00 | Softbank Hawks v Seibu Lions | W | 4-6 |
| Japan NPB | 2015/08/15 05:00 | Softbank Hawks v Seibu Lions | L | 6-5 |
| Japan NPB | 2015/08/14 09:00 | Softbank Hawks v Seibu Lions | L | 8-2 |
| Japan NPB | 2015/08/13 09:00 | Seibu Lions v Nippon Ham Fighters | L | 8-11 |
Away History
| Japan NPB | 2015/08/21 09:00 | Seibu Lions v Lotte Marines | L | 7-6 |
| Japan NPB | 2015/08/20 09:15 | Lotte Marines v Nippon Ham Fighters | L | 4-7 |
| Japan NPB | 2015/08/19 09:15 | Lotte Marines v Nippon Ham Fighters | L | 2-7 |
| Japan NPB | 2015/08/18 09:15 | Lotte Marines v Nippon Ham Fighters | L | 0-6 |
| Japan NPB | 2015/08/16 04:00 | Orix Buffaloes v Lotte Marines | W | 0-5 |
| Japan NPB | 2015/08/15 05:00 | Orix Buffaloes v Lotte Marines | L | 6-0 |
| Japan NPB | 2015/08/14 09:00 | Orix Buffaloes v Lotte Marines | W | 2-3 |
| Japan NPB | 2015/08/13 09:00 | Rakuten Eagles v Lotte Marines | L | 4-1 |