| 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 |
| Honkbal - Wedstrijden | 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 |
| Honkbal - Wedstrijden | 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 |