Head to Head
| Japan NPB | 2015/05/19 09:00 | Yakult Swallows v Yokohama Bay Stars | W | 2-1 |
| Japan NPB | 2015/05/06 04:00 | Yokohama Bay Stars v Yakult Swallows | L | 4-2 |
| Japan NPB | 2015/05/05 04:00 | Yokohama Bay Stars v Yakult Swallows | L | 5-4 |
| Japan NPB | 2015/05/04 05:00 | Yokohama Bay Stars v Yakult Swallows | L | 6-1 |
| Japan NPB | 2015/04/19 09:00 | Yakult Swallows v Yokohama Bay Stars | W | 9-8 |
| Japan NPB | 2015/04/18 09:00 | Yakult Swallows v Yokohama Bay Stars | W | 4-0 |
| Japan NPB | 2015/04/17 09:00 | Yakult Swallows v Yokohama Bay Stars | W | 3-1 |
| Japan NPB | 2015/04/05 04:00 | Yokohama Bay Stars v Yakult Swallows | L | 2-1 |
Home History
| Japan NPB | 2015/05/19 09:00 | Yakult Swallows v Yokohama Bay Stars | W | 2-1 |
| Japan NPB | 2015/05/17 05:00 | Yomiuri Giants v Yakult Swallows | W | 0-2 |
| Japan NPB | 2015/05/16 09:00 | Yomiuri Giants v Yakult Swallows | L | 3-2 |
| Japan NPB | 2015/05/15 09:00 | Yomiuri Giants v Yakult Swallows | L | 2-1 |
| Japan NPB | 2015/05/14 09:00 | Yakult Swallows v Hanshin Tigers | L | 1-4 |
| Japan NPB | 2015/05/13 09:00 | Yakult Swallows v Hanshin Tigers | L | 5-7 |
| Japan NPB | 2015/05/10 04:00 | Yakult Swallows v Chunichi Dragons | L | 4-6 |
| Japan NPB | 2015/05/09 04:00 | Yakult Swallows v Chunichi Dragons | L | 1-9 |
Away History
| Japan NPB | 2015/05/19 09:00 | Yakult Swallows v Yokohama Bay Stars | L | 2-1 |
| Japan NPB | 2015/05/17 04:30 | Hiroshima Carp v Yokohama Bay Stars | L | 2-1 |
| Japan NPB | 2015/05/16 05:00 | Hiroshima Carp v Yokohama Bay Stars | W | 1-2 |
| Japan NPB | 2015/05/15 09:00 | Hiroshima Carp v Yokohama Bay Stars | W | 5-6 |
| Japan NPB | 2015/05/14 09:00 | Yokohama Bay Stars v Chunichi Dragons | W | 4-3 |
| Japan NPB | 2015/05/13 09:00 | Yokohama Bay Stars v Chunichi Dragons | W | 6-3 |
| Japan NPB | 2015/05/10 05:00 | Yokohama Bay Stars v Yomiuri Giants | W | 4-2 |
| Japan NPB | 2015/05/09 09:00 | Yokohama Bay Stars v Yomiuri Giants | L | 1-2 |