Head to Head
| Japan NPB | 2019/09/14 08:00 | Yakult Swallows v Yokohama Bay Stars | W | 4-7 |
| Japan NPB | 2019/08/29 09:00 | Yakult Swallows v Yokohama Bay Stars | W | 2-4 |
| Japan NPB | 2019/08/28 09:00 | Yakult Swallows v Yokohama Bay Stars | W | 6-7 |
| Japan NPB | 2019/08/27 09:00 | Yakult Swallows v Yokohama Bay Stars | W | 3-5 |
| Japan NPB | 2019/08/14 09:00 | Yokohama Bay Stars v Yakult Swallows | L | 2-15 |
| Japan NPB | 2019/08/13 09:00 | Yokohama Bay Stars v Yakult Swallows | L | 7-8 |
| Japan NPB | 2019/08/12 09:00 | Yokohama Bay Stars v Yakult Swallows | L | 4-5 |
| Japan NPB | 2019/08/01 08:45 | Yakult Swallows v Yokohama Bay Stars | L | 4-2 |
Home History
| Japan NPB Exhibition | 2020/06/07 04:00 | Nippon Ham Fighters v Yokohama Bay Stars | W | 0-4 |
| Japan NPB Exhibition | 2020/06/06 04:00 | Yokohama Bay Stars v Nippon Ham Fighters | L | 4-5 |
| Japan NPB Exhibition | 2020/06/05 04:00 | Nippon Ham Fighters v Yokohama Bay Stars | D | 4-4 |
| Japan NPB Exhibition | 2020/06/04 04:00 | Rakuten Eagles v Yokohama Bay Stars | L | 8-7 |
| Japan NPB Exhibition | 2020/06/03 04:00 | Rakuten Eagles v Yokohama Bay Stars | L | 7-1 |
| Japan NPB Exhibition | 2020/06/02 04:00 | Rakuten Eagles v Yokohama Bay Stars | D | 5-5 |
| Japan NPB Exhibition | 2020/03/14 05:00 | Nippon Ham Fighters v Yokohama Bay Stars | L | 8-7 |
| Japan NPB Exhibition | 2020/03/13 09:00 | Nippon Ham Fighters v Yokohama Bay Stars | W | 0-1 |
Away History
| Japan NPB Exhibition | 2020/06/07 05:00 | Yakult Swallows v Yomiuri Giants | L | 2-7 |
| Japan NPB Exhibition | 2020/06/06 05:00 | Yakult Swallows v Yomiuri Giants | L | 4-8 |
| Japan NPB Exhibition | 2020/06/05 05:00 | Yakult Swallows v Yomiuri Giants | D | 2-2 |
| Japan NPB Exhibition | 2020/06/04 04:00 | Chunichi Dragons v Yakult Swallows | D | 2-2 |
| Japan NPB Exhibition | 2020/06/03 04:00 | Chunichi Dragons v Yakult Swallows | L | 5-3 |
| Japan NPB Exhibition | 2020/06/02 04:00 | Chunichi Dragons v Yakult Swallows | W | 3-15 |
| Japan NPB Exhibition | 2020/03/15 04:00 | Seibu Lions v Yakult Swallows | L | 3-1 |
| Japan NPB Exhibition | 2020/03/14 04:00 | Seibu Lions v Yakult Swallows | L | 1-0 |