Head to Head
| Japan NPB | 2021/05/22 08:30 | Yokohama Bay Stars v Yakult Swallows | L | 0-1 |
| Japan NPB | 2021/05/21 08:30 | Yokohama Bay Stars v Yakult Swallows | W | 5-3 |
| Japan NPB | 2021/05/02 05:00 | Yakult Swallows v Yokohama Bay Stars | W | 7-8 |
| Japan NPB | 2021/05/01 05:00 | Yakult Swallows v Yokohama Bay Stars | W | 2-10 |
| Japan NPB | 2021/04/30 08:45 | Yakult Swallows v Yokohama Bay Stars | L | 4-0 |
| Japan NPB | 2021/04/15 08:30 | Yokohama Bay Stars v Yakult Swallows | L | 1-2 |
| Japan NPB | 2021/04/14 08:30 | Yokohama Bay Stars v Yakult Swallows | L | 3-7 |
| Japan NPB | 2021/04/13 08:30 | Yokohama Bay Stars v Yakult Swallows | L | 1-5 |
Home History
| Japan NPB | 2021/05/22 08:30 | Yokohama Bay Stars v Yakult Swallows | L | 0-1 |
| Japan NPB | 2021/05/21 08:30 | Yokohama Bay Stars v Yakult Swallows | W | 5-3 |
| Japan NPB | 2021/05/18 08:45 | Chunichi Dragons v Yokohama Bay Stars | L | 5-1 |
| Japan NPB | 2021/05/16 04:30 | Yokohama Bay Stars v Hiroshima Carp | D | 3-3 |
| Japan NPB | 2021/05/14 09:00 | Yokohama Bay Stars v Hiroshima Carp | L | 2-9 |
| Japan NPB | 2021/05/12 08:45 | Yomiuri Giants v Yokohama Bay Stars | D | 5-5 |
| Japan NPB | 2021/05/11 08:45 | Yomiuri Giants v Yokohama Bay Stars | L | 4-2 |
| Japan NPB | 2021/05/09 05:00 | Hanshin Tigers v Yokohama Bay Stars | L | 3-2 |
Away History
| Japan NPB | 2021/05/22 08:30 | Yokohama Bay Stars v Yakult Swallows | W | 0-1 |
| Japan NPB | 2021/05/21 08:30 | Yokohama Bay Stars v Yakult Swallows | L | 5-3 |
| Japan NPB | 2021/05/19 09:00 | Yakult Swallows v Hanshin Tigers | L | 1-3 |
| Japan NPB | 2021/05/18 09:00 | Yakult Swallows v Hanshin Tigers | W | 14-3 |
| Japan NPB | 2021/05/16 05:00 | Yakult Swallows v Chunichi Dragons | D | 2-2 |
| Japan NPB | 2021/05/15 05:00 | Yakult Swallows v Chunichi Dragons | W | 5-0 |
| Japan NPB | 2021/05/14 08:45 | Yakult Swallows v Chunichi Dragons | W | 4-1 |
| Japan NPB | 2021/05/12 08:30 | Hiroshima Carp v Yakult Swallows | D | 0-0 |