Head to Head
| Japan NPB | 2019/04/03 09:00 | Yokohama Bay Stars v Yakult Swallows | L | 4-5 |
| Japan NPB | 2019/04/02 09:00 | Yokohama Bay Stars v Yakult Swallows | L | 2-5 |
| Japan NPB | 2018/10/09 09:00 | Yokohama Bay Stars v Yakult Swallows | W | 4-1 |
| Japan NPB | 2018/10/03 09:00 | Yokohama Bay Stars v Yakult Swallows | L | 1-2 |
| Japan NPB | 2018/10/02 09:00 | Yokohama Bay Stars v Yakult Swallows | L | 2-3 |
| Japan NPB | 2018/09/09 09:00 | Yakult Swallows v Yokohama Bay Stars | W | 3-7 |
| Japan NPB | 2018/09/08 09:00 | Yakult Swallows v Yokohama Bay Stars | L | 7-6 |
| Japan NPB | 2018/09/07 09:00 | Yakult Swallows v Yokohama Bay Stars | W | 1-4 |
Home History
| Japan NPB | 2019/04/03 09:00 | Yokohama Bay Stars v Yakult Swallows | L | 4-5 |
| Japan NPB | 2019/04/02 09:00 | Yokohama Bay Stars v Yakult Swallows | L | 2-5 |
| Japan NPB | 2019/03/31 04:00 | Chunichi Dragons v Yokohama Bay Stars | W | 2-3 |
| Japan NPB | 2019/03/30 05:00 | Chunichi Dragons v Yokohama Bay Stars | L | 9-1 |
| Japan NPB | 2019/03/29 09:30 | Chunichi Dragons v Yokohama Bay Stars | W | 1-8 |
| Japan Pre-Season Friendlies | 2019/03/24 04:00 | Seibu Lions v Yokohama Bay Stars | W | 1-6 |
| Japan Pre-Season Friendlies | 2019/03/23 04:00 | Seibu Lions v Yokohama Bay Stars | L | 4-3 |
| Japan Pre-Season Friendlies | 2019/03/21 04:00 | Yokohama Bay Stars v Nippon Ham Fighters | D | 2-2 |
Away History
| Japan NPB | 2019/04/03 09:00 | Yokohama Bay Stars v Yakult Swallows | W | 4-5 |
| Japan NPB | 2019/04/02 09:00 | Yokohama Bay Stars v Yakult Swallows | W | 2-5 |
| Japan NPB | 2019/03/31 05:00 | Yakult Swallows v Hanshin Tigers | W | 2-1 |
| Japan NPB | 2019/03/30 05:00 | Yakult Swallows v Hanshin Tigers | L | 0-1 |
| Japan NPB | 2019/03/29 09:00 | Yakult Swallows v Hanshin Tigers | L | 1-2 |
| Japan Pre-Season Friendlies | 2019/03/24 04:00 | Nippon Ham Fighters v Yakult Swallows | W | 2-4 |
| Japan Pre-Season Friendlies | 2019/03/23 05:00 | Nippon Ham Fighters v Yakult Swallows | W | 0-5 |
| Japan Pre-Season Friendlies | 2019/03/21 04:00 | Yakult Swallows v Hiroshima Carp | D | 7-7 |