| Japan - NPB Reserve League | 2019/06/20 04:00 | Chiba Lotte Marines - Reserves v Seibu Lions - Reserves | W | 10-6 |
| Japan - NPB Reserve League | 2019/06/19 04:00 | Chiba Lotte Marines - Reserves v Seibu Lions - Reserves | L | 2-4 |
| Japan - NPB Reserve League | 2019/06/18 04:00 | Chiba Lotte Marines - Reserves v Seibu Lions - Reserves | W | 8-4 |
| Japan - NPB Reserve League | 2019/07/23 09:00 | Chiba Lotte Marines - Reserves v Yokohama Bay Stars - Reserves | W | 14-5 |
| Japan - NPB Reserve League | 2019/07/05 04:00 | Chiba Lotte Marines - Reserves v Rakuten Eagles - Reserves | W | 2-1 |
| Japan - NPB Reserve League | 2019/06/28 04:00 | Yokohama Bay Stars - Reserves v Chiba Lotte Marines - Reserves | W | 3-4 |
| Japan - NPB Reserve League | 2019/06/27 04:00 | Chiba Lotte Marines - Reserves v Yomiuri Giants - Reserves | L | 4-6 |
| Japan - NPB Reserve League | 2019/06/26 04:00 | Chiba Lotte Marines - Reserves v Yomiuri Giants - Reserves | L | 0-3 |
| Japan - NPB Reserve League | 2019/06/25 04:00 | Chiba Lotte Marines - Reserves v Yomiuri Giants - Reserves | L | 1-2 |
| Japan - NPB Reserve League | 2019/06/23 04:00 | Yakult Swallows - Reserves v Chiba Lotte Marines - Reserves | W | 1-2 |
| Japan - NPB Reserve League | 2019/06/21 04:00 | Yakult Swallows - Reserves v Chiba Lotte Marines - Reserves | W | 0-2 |
| 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 | 2019/07/03 04:00 | Seibu Lions - Reserves v Nipponham Fighters - Reserves | W | 2-1 |
| Japan - NPB Reserve League | 2019/06/28 04:00 | Yakult Swallows - Reserves v Seibu Lions - Reserves | L | 4-3 |
| Japan - NPB Reserve League | 2019/06/27 04:00 | Rakuten Eagles - Reserves v Seibu Lions - Reserves | W | 0-2 |