Head to Head
| Japan - NPB | 2021/09/11 08:30 | Yokohama Bay Stars v Yakult Swallows | W | 2-9 |
| Japan - NPB | 2021/08/29 05:00 | Yokohama Bay Stars v Yakult Swallows | W | 2-5 |
| Japan - NPB | 2021/08/28 05:00 | Yokohama Bay Stars v Yakult Swallows | D | 2-2 |
| Japan - NPB | 2021/08/27 08:30 | Yokohama Bay Stars v Yakult Swallows | L | 4-0 |
| Japan - NPB | 2021/08/15 09:00 | Yakult Swallows v Yokohama Bay Stars | W | 4-1 |
| 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 |
Home History
| Japan - NPB | 2021/09/20 08:30 | Hiroshima Carp v Yakult Swallows | D | 2-2 |
| Japan - NPB | 2021/09/19 08:30 | Hiroshima Carp v Yakult Swallows | W | 1-5 |
| Japan - NPB | 2021/09/18 08:45 | Yakult Swallows v Yomiuri Giants | D | 6-6 |
| Japan - NPB | 2021/09/17 08:45 | Yakult Swallows v Yomiuri Giants | W | 8-2 |
| Japan - NPB | 2021/09/15 08:30 | Hanshin Tigers v Yakult Swallows | W | 0-1 |
| Japan - NPB | 2021/09/14 08:30 | Hanshin Tigers v Yakult Swallows | D | 4-4 |
| Japan - NPB | 2021/09/13 08:45 | Yakult Swallows v Chunichi Dragons | L | 0-1 |
| Japan - NPB | 2021/09/12 08:45 | Yakult Swallows v Chunichi Dragons | L | 5-9 |
Away History
| Japan - NPB | 2021/09/20 05:00 | Chunichi Dragons v Yokohama Bay Stars | W | 0-6 |
| Japan - NPB | 2021/09/19 08:00 | Chunichi Dragons v Yokohama Bay Stars | W | 1-9 |
| Japan - NPB | 2021/09/18 04:30 | Yokohama Bay Stars v Hiroshima Carp | W | 4-2 |
| Japan - NPB | 2021/09/15 08:45 | Yokohama Bay Stars v Yomiuri Giants | L | 6-7 |
| Japan - NPB | 2021/09/14 08:45 | Yokohama Bay Stars v Yomiuri Giants | W | 3-2 |
| Japan - NPB | 2021/09/12 08:00 | Hanshin Tigers v Yokohama Bay Stars | W | 1-8 |
| Japan - NPB | 2021/09/11 08:30 | Yokohama Bay Stars v Yakult Swallows | L | 2-9 |
| Japan - NPB | 2021/09/09 08:45 | Yomiuri Giants v Yokohama Bay Stars | D | 5-5 |