| Japan - NPB Reserve League | 2020/09/01 04:00 | Nipponham Fighters - Reserves v Seibu Lions - Reserves | W | 6-4 |
| Japan - NPB Reserve League | 2020/07/28 04:00 | Nipponham Fighters - Reserves v Seibu Lions - Reserves | L | 5-8 |
| Japan - NPB Reserve League | 2020/06/30 04:00 | Seibu Lions - Reserves v Nipponham Fighters - Reserves | L | 6-1 |
| Japan - NPB Reserve League | 2019/07/03 04:00 | Seibu Lions - Reserves v Nipponham Fighters - Reserves | L | 2-1 |
| Japan - NPB Reserve League | 2019/06/12 04:00 | Seibu Lions - Reserves v Nipponham Fighters - Reserves | W | 1-5 |
| Japan - NPB Reserve League | 2019/05/24 04:00 | Nipponham Fighters - Reserves v Seibu Lions - Reserves | L | 1-4 |
| Japan - NPB Reserve League | 2019/04/24 04:21 | Seibu Lions - Reserves v Nipponham Fighters - Reserves | W | 3-7 |
| Japan - NPB Reserve League | 2019/04/23 04:00 | Seibu Lions - Reserves v Nipponham Fighters - Reserves | W | 0-5 |
| Japan - NPB Reserve League | 2020/09/01 04:00 | Nipponham Fighters - Reserves v Seibu Lions - Reserves | W | 6-4 |
| Japan - NPB Reserve League | 2020/08/28 04:30 | Yokohama Bay Stars - Reserves v Nipponham Fighters - Reserves | W | 1-4 |
| Japan - NPB Reserve League | 2020/08/12 04:00 | Yomiuri Giants - Reserves v Nipponham Fighters - Reserves | L | 8-5 |
| Japan - NPB Reserve League | 2020/08/11 04:00 | Yomiuri Giants - Reserves v Nipponham Fighters - Reserves | L | 10-9 |
| Japan - NPB Reserve League | 2020/08/06 04:00 | Yakult Swallows - Reserves v Nipponham Fighters - Reserves | L | 6-5 |
| Japan - NPB Reserve League | 2020/08/05 04:00 | Yakult Swallows - Reserves v Nipponham Fighters - Reserves | W | 1-3 |
| Japan - NPB Reserve League | 2020/08/04 04:00 | Yakult Swallows - Reserves v Nipponham Fighters - Reserves | W | 3-10 |
| Japan - NPB Reserve League | 2020/07/28 04:00 | Nipponham Fighters - Reserves v Seibu Lions - Reserves | L | 5-8 |
| Japan - NPB Reserve League | 2020/09/01 04:00 | Nipponham Fighters - Reserves v Seibu Lions - Reserves | L | 6-4 |
| Japan - NPB Reserve League | 2020/08/30 04:00 | Yakult Swallows - Reserves v Seibu Lions - Reserves | L | 7-2 |
| Japan - NPB Reserve League | 2020/08/23 04:00 | Yomiuri Giants - Reserves v Seibu Lions - Reserves | L | 1-0 |
| Japan - NPB Reserve League | 2020/08/21 04:00 | Yomiuri Giants - Reserves v Seibu Lions - Reserves | D | 0-0 |
| Japan - NPB Reserve League | 2020/08/12 04:00 | Chiba Lotte Marines - Reserves v Seibu Lions - Reserves | D | 0-0 |
| Japan - NPB Reserve League | 2020/08/11 04:00 | Chiba Lotte Marines - Reserves v Seibu Lions - Reserves | W | 0-7 |
| Japan - NPB Reserve League | 2020/08/09 04:00 | Yakult Swallows - Reserves v Seibu Lions - Reserves | W | 1-7 |
| Japan - NPB Reserve League | 2020/08/07 04:00 | Yakult Swallows - Reserves v Seibu Lions - Reserves | W | 0-5 |