| Japan NPB Reserve League | 2023/09/30 04:00 | Yakult Swallows Reserves v Nipponham Fighters Reserves | W | 1-5 |
| Japan NPB Reserve League | 2023/09/14 04:00 | Yokohama Bay Stars Reserves v Nipponham Fighters Reserves | L | 7-0 |
| Japan NPB Reserve League | 2023/09/13 04:00 | Yokohama Bay Stars Reserves v Nipponham Fighters Reserves | D | 2-2 |
| Japan NPB Reserve League | 2023/09/12 04:00 | Yokohama Bay Stars Reserves v Nipponham Fighters Reserves | W | 5-6 |
| Japan NPB Reserve League | 2023/09/07 09:00 | Nipponham Fighters Reserves v Yomiuri Giants Reserves | L | 1-2 |
| Japan NPB Reserve League | 2023/09/06 09:00 | Nipponham Fighters Reserves v Yomiuri Giants Reserves | W | 5-3 |
| Japan NPB Reserve League | 2023/09/01 03:30 | Rakuten Eagles Reserves v Nipponham Fighters Reserves | L | 6-0 |
| Japan NPB Reserve League | 2023/08/27 04:00 | Chiba Lotte Marines Reserves v Nipponham Fighters Reserves | W | 0-4 |