| Japan - NPB Reserve League | 2023/06/04 04:00 | Yomiuri Giants - Reserves v Nipponham Fighters - Reserves | L | 3-6 |
| Japan - NPB Reserve League | 2023/04/28 04:00 | Yomiuri Giants - Reserves v Nipponham Fighters - Reserves | W | 12-7 |
| Japan - NPB Reserve League | 2022/09/21 04:00 | Nipponham Fighters - Reserves v Yomiuri Giants - Reserves | L | 9-2 |
| Japan - NPB Reserve League | 2022/09/01 04:00 | Yomiuri Giants - Reserves v Nipponham Fighters - Reserves | L | 1-2 |
| Japan - NPB Reserve League | 2022/08/31 04:00 | Yomiuri Giants - Reserves v Nipponham Fighters - Reserves | D | 0-0 |
| Japan - NPB Reserve League | 2022/08/25 04:00 | Yomiuri Giants - Reserves v Nipponham Fighters - Reserves | W | 3-0 |
| Japan - NPB Reserve League | 2022/06/26 04:00 | Yomiuri Giants - Reserves v Nipponham Fighters - Reserves | W | 5-3 |
| Japan - NPB Reserve League | 2022/06/24 04:30 | Yomiuri Giants - Reserves v Nipponham Fighters - Reserves | W | 6-5 |
| Japan - NPB Reserve League | 2023/08/06 04:00 | Yokohama Bay Stars - Reserves v Yomiuri Giants - Reserves | L | 9-4 |
| Japan - NPB Reserve League | 2023/08/05 05:00 | Yokohama Bay Stars - Reserves v Yomiuri Giants - Reserves | W | 0-2 |
| Japan - NPB Reserve League | 2023/07/25 04:00 | Seibu Lions - Reserves v Yomiuri Giants - Reserves | L | 5-3 |
| Japan - NPB Reserve League | 2023/07/13 04:00 | Rakuten Eagles - Reserves v Yomiuri Giants - Reserves | L | 2-1 |
| Japan - NPB Reserve League | 2023/07/12 04:00 | Rakuten Eagles - Reserves v Yomiuri Giants - Reserves | L | 9-2 |
| Japan - NPB Reserve League | 2023/07/11 04:00 | Rakuten Eagles - Reserves v Yomiuri Giants - Reserves | L | 7-0 |
| Japan - NPB Reserve League | 2023/07/08 04:00 | Yakult Swallows - Reserves v Yomiuri Giants - Reserves | W | 6-8 |
| Japan - NPB Reserve League | 2023/07/07 04:00 | Yakult Swallows - Reserves v Yomiuri Giants - Reserves | L | 8-3 |
| Japan - NPB Reserve League | 2023/08/07 04:00 | Seibu Lions - Reserves v Nipponham Fighters - Reserves | D | 3-3 |
| Japan - NPB Reserve League | 2023/08/03 04:00 | Yakult Swallows - Reserves v Nipponham Fighters - Reserves | W | 6-7 |
| Japan - NPB Reserve League | 2023/08/02 04:00 | Yakult Swallows - Reserves v Nipponham Fighters - Reserves | W | 6-13 |
| Japan - NPB Reserve League | 2023/08/01 04:00 | Yakult Swallows - Reserves v Nipponham Fighters - Reserves | D | 4-4 |
| Japan - NPB Reserve League | 2023/07/22 04:30 | Nipponham Fighters - Reserves v Seibu Lions - Reserves | W | 12-2 |
| Japan - NPB Reserve League | 2023/07/21 09:00 | Nipponham Fighters - Reserves v Seibu Lions - Reserves | L | 0-1 |
| Japan - NPB Reserve League | 2023/07/10 04:00 | Rakuten Eagles - Reserves v Nipponham Fighters - Reserves | W | 5-8 |
| Japan - NPB Reserve League | 2023/06/29 04:00 | Chiba Lotte Marines - Reserves v Nipponham Fighters - Reserves | L | 8-4 |