Head to Head
| Japan NPB | 2021/05/23 08:30 | Yokohama Bay Stars v Yakult Swallows | W | 5-10 |
| 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 | 2021/05/02 05:00 | Yakult Swallows v Yokohama Bay Stars | L | 7-8 |
| Japan NPB | 2021/05/01 05:00 | Yakult Swallows v Yokohama Bay Stars | L | 2-10 |
| Japan NPB | 2021/04/30 08:45 | Yakult Swallows v Yokohama Bay Stars | W | 4-0 |
| Japan NPB | 2021/04/15 08:30 | Yokohama Bay Stars v Yakult Swallows | W | 1-2 |
| Japan NPB | 2021/04/14 08:30 | Yokohama Bay Stars v Yakult Swallows | W | 3-7 |
Home History
| Japan NPB Exhibition | 2021/07/31 09:00 | Yakult Swallows v Softbank Hawks | W | 5-3 |
| Japan NPB | 2021/07/14 08:45 | Yakult Swallows v Yomiuri Giants | W | 11-7 |
| Japan NPB | 2021/07/13 08:45 | Yakult Swallows v Yomiuri Giants | W | 14-6 |
| Japan NPB | 2021/07/10 08:30 | Hiroshima Carp v Yakult Swallows | L | 5-0 |
| Japan NPB | 2021/07/09 08:30 | Hiroshima Carp v Yakult Swallows | W | 3-4 |
| Japan NPB | 2021/07/08 08:30 | Hanshin Tigers v Yakult Swallows | L | 6-5 |
| Japan NPB | 2021/07/07 08:30 | Hanshin Tigers v Yakult Swallows | W | 4-6 |
| Japan NPB | 2021/07/06 08:30 | Hanshin Tigers v Yakult Swallows | L | 5-1 |
Away History
| Japan NPB Exhibition | 2021/08/06 04:00 | Yokohama Bay Stars v Nippon Ham Fighters | L | 4-8 |
| Japan NPB Exhibition | 2021/08/05 03:57 | Yokohama Bay Stars v Nippon Ham Fighters | L | 1-4 |
| Japan NPB | 2021/07/14 09:00 | Yokohama Bay Stars v Hanshin Tigers | W | 4-3 |
| Japan NPB | 2021/07/13 09:00 | Yokohama Bay Stars v Hanshin Tigers | W | 8-2 |
| Japan NPB | 2021/07/12 09:00 | Yokohama Bay Stars v Hanshin Tigers | L | 3-4 |
| Japan NPB | 2021/07/11 05:00 | Yokohama Bay Stars v Chunichi Dragons | D | 5-5 |
| Japan NPB | 2021/07/10 05:00 | Yokohama Bay Stars v Chunichi Dragons | L | 2-6 |
| Japan NPB | 2021/07/09 08:45 | Yokohama Bay Stars v Chunichi Dragons | L | 1-3 |