| Japan NPB Reserve League | 2019/07/03 04:00 | Seibu Lions Reserves v Nipponham Fighters Reserves | W | 2-1 |
| Japan NPB Reserve League | 2019/06/12 04:00 | Seibu Lions Reserves v Nipponham Fighters Reserves | L | 1-5 |
| Japan NPB Reserve League | 2019/05/24 04:00 | Nipponham Fighters Reserves v Seibu Lions Reserves | W | 1-4 |
| Japan NPB Reserve League | 2019/04/24 04:21 | Seibu Lions Reserves v Nipponham Fighters Reserves | L | 3-7 |
| Japan NPB Reserve League | 2019/04/23 04:00 | Seibu Lions Reserves v Nipponham Fighters Reserves | L | 0-5 |
| Japan NPB Reserve League | 2020/06/28 04:00 | Seibu Lions Reserves v Chiba Lotte Marines Reserves | D | 0-0 |
| Baseball Matches | 2020/03/27 04:00 | Chiba Lotte Marines Reserves v Seibu Lions Reserves | L | 5-4 |
| Japan NPB Reserve League | 2019/07/27 04:16 | Chiba Lotte Marines Reserves v Seibu Lions Reserves | W | 1-2 |
| Japan NPB Reserve League | 2019/07/25 04:00 | Seibu Lions Reserves v Rakuten Eagles Reserves | L | 0-7 |
| Japan NPB Reserve League | 2019/07/24 04:00 | Seibu Lions Reserves v Rakuten Eagles Reserves | L | 3-5 |
| Japan NPB Reserve League | 2019/07/08 04:00 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | L | 7-5 |
| Japan NPB Reserve League | 2019/07/06 07:00 | Seibu Lions Reserves v Yomiuri Giants Reserves | W | 5-0 |
| Japan NPB Reserve League | 2019/07/05 07:00 | Seibu Lions Reserves v Yomiuri Giants Reserves | W | 3-1 |
| Japan NPB Reserve League | 2020/06/19 04:00 | Yomiuri Giants Reserves v Nipponham Fighters Reserves | D | 0-0 |
| Baseball Matches | 2020/03/27 04:00 | Nipponham Fighters Reserves v Yakult Swallows Reserves | L | 2-7 |
| Japan NPB Reserve League | 2019/07/28 04:00 | Nipponham Fighters Reserves v Rakuten Eagles Reserves | L | 3-16 |
| Japan NPB Reserve League | 2019/07/21 04:00 | Yokohama Bay Stars Reserves v Nipponham Fighters Reserves | W | 5-8 |
| Japan NPB Reserve League | 2019/07/20 04:00 | Yokohama Bay Stars Reserves v Nipponham Fighters Reserves | L | 3-2 |
| Japan NPB Reserve League | 2019/07/19 04:00 | Yokohama Bay Stars Reserves v Nipponham Fighters Reserves | L | 14-7 |
| Japan NPB Reserve League | 2019/07/17 04:00 | Rakuten Eagles Reserves v Nipponham Fighters Reserves | L | 11-1 |
| Japan NPB Reserve League | 2019/07/07 05:00 | Nipponham Fighters Reserves v Yokohama Bay Stars Reserves | W | 5-4 |