Head to Head
| Japan NPB | 2018/10/09 09:00 | Yokohama Bay Stars v Yakult Swallows | L | 4-1 |
| Japan NPB | 2018/10/03 09:00 | Yokohama Bay Stars v Yakult Swallows | W | 1-2 |
| Japan NPB | 2018/10/02 09:00 | Yokohama Bay Stars v Yakult Swallows | W | 2-3 |
| Japan NPB | 2018/09/09 09:00 | Yakult Swallows v Yokohama Bay Stars | L | 3-7 |
| Japan NPB | 2018/09/08 09:00 | Yakult Swallows v Yokohama Bay Stars | W | 7-6 |
| Japan NPB | 2018/09/07 09:00 | Yakult Swallows v Yokohama Bay Stars | L | 1-4 |
| Japan NPB | 2018/08/26 09:00 | Yokohama Bay Stars v Yakult Swallows | W | 3-7 |
| Japan NPB | 2018/08/25 09:00 | Yokohama Bay Stars v Yakult Swallows | W | 7-9 |
Home History
| Japan Pre-Season Friendlies | 2019/03/06 09:00 | Orix Buffaloes v Yakult Swallows | W | 4-5 |
| Japan Pre-Season Friendlies | 2019/03/05 09:00 | Orix Buffaloes v Yakult Swallows | L | 5-1 |
| Japan Pre-Season Friendlies | 2019/03/02 09:00 | Yomiuri Giants v Yakult Swallows | L | 5-4 |
| Japan NPB | 2018/10/14 09:00 | Yomiuri Giants v Yakult Swallows | L | 4-0 |
| Japan NPB | 2018/10/13 09:00 | Yomiuri Giants v Yakult Swallows | L | 4-1 |
| Japan NPB | 2018/10/09 09:00 | Yokohama Bay Stars v Yakult Swallows | L | 4-1 |
| Japan NPB | 2018/10/08 09:00 | Hanshin Tigers v Yakult Swallows | W | 5-6 |
| Japan NPB | 2018/10/07 09:00 | Hanshin Tigers v Yakult Swallows | W | 0-6 |
Away History
| Japan Pre-Season Friendlies | 2019/03/06 04:00 | Chunichi Dragons v Yokohama Bay Stars | L | 5-2 |
| Japan Pre-Season Friendlies | 2019/02/24 04:00 | Yokohama Bay Stars v Hiroshima Carp | D | 4-4 |
| Japan Pre-Season Friendlies | 2019/02/23 04:00 | Chunichi Dragons v Yokohama Bay Stars | W | 4-8 |
| Japan NPB | 2018/10/10 09:00 | Yokohama Bay Stars v Hanshin Tigers | L | 1-2 |
| Japan NPB | 2018/10/09 09:00 | Yokohama Bay Stars v Yakult Swallows | W | 4-1 |
| Japan NPB | 2018/10/07 05:00 | Yokohama Bay Stars v Hiroshima Carp | W | 4-3 |
| Japan NPB | 2018/10/06 05:00 | Yokohama Bay Stars v Hanshin Tigers | L | 3-4 |
| Japan NPB | 2018/10/03 09:00 | Yokohama Bay Stars v Yakult Swallows | L | 1-2 |