| Japonia - Phoenix League | 2023/10/16 03:30 | IPBL Japan v Yokohama Bay Stars - Rezerve | L | 9-1 |
| Japonia - NPB Reserve League | 2023/09/24 04:00 | Yokohama Bay Stars - Rezerve v Seibu Lions - Rezerve | L | 2-3 |
| Japonia - NPB Reserve League | 2023/09/23 04:30 | Yokohama Bay Stars - Rezerve v Seibu Lions - Rezerve | L | 0-2 |
| Japonia - NPB Reserve League | 2023/09/22 09:00 | Yokohama Bay Stars - Rezerve v Seibu Lions - Rezerve | W | 4-0 |
| Japonia - NPB Reserve League | 2023/09/14 04:00 | Yokohama Bay Stars - Rezerve v Nipponham Fighters - Rezerve | W | 7-0 |
| Japonia - NPB Reserve League | 2023/09/13 04:00 | Yokohama Bay Stars - Rezerve v Nipponham Fighters - Rezerve | D | 2-2 |
| Japonia - NPB Reserve League | 2023/09/12 04:00 | Yokohama Bay Stars - Rezerve v Nipponham Fighters - Rezerve | L | 5-6 |
| Japonia - NPB Reserve League | 2023/08/06 04:00 | Yokohama Bay Stars - Rezerve v Yomiuri Giants - Rezerve | W | 9-4 |
| Japonia - Phoenix League | 2023/10/19 03:30 | Nipponham Fighters - Rezerve v KBO Farm 1 | L | 13-0 |