| Japan NPB Reserve League | 2019/05/25 04:00 | Yokohama Bay Stars Reserves v Chiba Lotte Marines Reserves | W | 0-4 |
| Japan NPB Reserve League | 2019/05/24 04:00 | Yokohama Bay Stars Reserves v Chiba Lotte Marines Reserves | W | 8-11 |
| Japan NPB Reserve League | 2019/06/12 04:00 | Rakuten Eagles Reserves v Chiba Lotte Marines Reserves | L | 6-0 |
| Japan NPB Reserve League | 2019/06/09 04:00 | Yomiuri Giants Reserves v Chiba Lotte Marines Reserves | W | 4-6 |
| Japan NPB Reserve League | 2019/05/25 04:00 | Yokohama Bay Stars Reserves v Chiba Lotte Marines Reserves | W | 0-4 |
| Japan NPB Reserve League | 2019/05/24 04:00 | Yokohama Bay Stars Reserves v Chiba Lotte Marines Reserves | W | 8-11 |
| Japan NPB Reserve League | 2019/05/10 04:00 | Yakult Swallows Reserves v Chiba Lotte Marines Reserves | L | 9-6 |
| Japan NPB Reserve League | 2019/04/25 04:00 | Yomiuri Giants Reserves v Chiba Lotte Marines Reserves | W | 4-5 |
| Japan NPB Reserve League | 2019/05/31 09:00 | Seibu Lions Reserves v Yokohama Bay Stars Reserves | W | 1-4 |
| Japan NPB Reserve League | 2019/05/28 09:00 | Yomiuri Giants Reserves v Yokohama Bay Stars Reserves | W | 7-8 |
| Japan NPB Reserve League | 2019/05/25 04:00 | Yokohama Bay Stars Reserves v Chiba Lotte Marines Reserves | L | 0-4 |
| Japan NPB Reserve League | 2019/05/24 04:00 | Yokohama Bay Stars Reserves v Chiba Lotte Marines Reserves | L | 8-11 |
| Japan NPB Reserve League | 2019/05/23 08:00 | Yakult Swallows Reserves v Yokohama Bay Stars Reserves | W | 1-4 |
| Japan NPB Reserve League | 2019/05/07 09:00 | Rakuten Eagles Reserves v Yokohama Bay Stars Reserves | W | 0-4 |
| Japan NPB Reserve League | 2019/04/22 04:33 | Yokohama Bay Stars Reserves v Rakuten Eagles Reserves | W | 4-3 |
| Japan NPB Reserve League | 2019/04/22 04:00 | Rakuten Eagles Reserves v Yokohama Bay Stars Reserves | D | 0-0 |