Head to Head
| Japan NPB | 2015/05/19 09:00 | Seibu Lions v Lotte Marines | W | 3-2 |
| Japan NPB | 2015/05/10 04:00 | Lotte Marines v Seibu Lions | L | 11-1 |
| Japan NPB | 2015/05/09 05:00 | Lotte Marines v Seibu Lions | L | 10-2 |
| Japan NPB | 2015/05/08 09:15 | Lotte Marines v Seibu Lions | W | 3-9 |
| Japan NPB | 2015/04/30 09:15 | Lotte Marines v Seibu Lions | L | 3-2 |
| Japan NPB | 2015/04/29 05:00 | Lotte Marines v Seibu Lions | W | 0-7 |
| Japan NPB | 2015/04/28 09:15 | Lotte Marines v Seibu Lions | L | 4-0 |
| Japan NPB | 2015/04/12 04:00 | Seibu Lions v Lotte Marines | L | 5-9 |
Home History
| Japan NPB | 2015/05/19 09:00 | Seibu Lions v Lotte Marines | W | 3-2 |
| Japan NPB | 2015/05/17 04:00 | Softbank Hawks v Seibu Lions | L | 4-1 |
| Japan NPB | 2015/05/16 05:00 | Softbank Hawks v Seibu Lions | L | 12-4 |
| Japan NPB | 2015/05/15 09:00 | Softbank Hawks v Seibu Lions | D | 3-3 |
| Japan NPB | 2015/05/14 09:00 | Nippon Ham Fighters v Seibu Lions | L | 2-1 |
| Japan NPB | 2015/05/13 09:00 | Nippon Ham Fighters v Seibu Lions | W | 7-8 |
| Japan NPB | 2015/05/12 09:00 | Nippon Ham Fighters v Seibu Lions | W | 2-5 |
| Japan NPB | 2015/05/10 04:00 | Lotte Marines v Seibu Lions | L | 11-1 |
Away History
| Japan NPB | 2015/05/19 09:00 | Seibu Lions v Lotte Marines | L | 3-2 |
| Japan NPB | 2015/05/17 04:00 | Rakuten Eagles v Lotte Marines | L | 3-2 |
| Japan NPB | 2015/05/16 04:00 | Rakuten Eagles v Lotte Marines | L | 5-4 |
| Japan NPB | 2015/05/13 09:15 | Lotte Marines v Softbank Hawks | W | 6-2 |
| Japan NPB | 2015/05/10 04:00 | Lotte Marines v Seibu Lions | W | 11-1 |
| Japan NPB | 2015/05/09 05:00 | Lotte Marines v Seibu Lions | W | 10-2 |
| Japan NPB | 2015/05/08 09:15 | Lotte Marines v Seibu Lions | L | 3-9 |
| Japan NPB | 2015/05/06 04:00 | Softbank Hawks v Lotte Marines | W | 4-7 |