| Japan - NPB Reserve League | 2020/08/25 07:00 | Chiba Lotte Marines - Reserves v Yomiuri Giants - Reserves | W | 9-2 |
| Japan - NPB Reserve League | 2020/07/26 04:00 | Chiba Lotte Marines - Reserves v Yomiuri Giants - Reserves | L | 1-2 |
| Japan - NPB Reserve League | 2020/07/24 07:00 | Chiba Lotte Marines - Reserves v Yomiuri Giants - Reserves | L | 2-3 |
| Japan - NPB Reserve League | 2020/07/19 04:00 | Chiba Lotte Marines - Reserves v Yomiuri Giants - Reserves | L | 1-2 |
| Japan - NPB Reserve League | 2020/07/17 04:00 | Chiba Lotte Marines - Reserves v Yomiuri Giants - Reserves | L | 2-4 |
| 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 | 2020/08/25 07:00 | Chiba Lotte Marines - Reserves v Yomiuri Giants - Reserves | W | 9-2 |
| Japan - NPB Reserve League | 2020/08/22 09:00 | Chiba Lotte Marines - Reserves v Yokohama Bay Stars - 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 | L | 0-7 |
| Japan - NPB Reserve League | 2020/07/26 04:00 | Chiba Lotte Marines - Reserves v Yomiuri Giants - Reserves | L | 1-2 |
| Japan - NPB Reserve League | 2020/07/24 07:00 | Chiba Lotte Marines - Reserves v Yomiuri Giants - Reserves | L | 2-3 |
| Japan - NPB Reserve League | 2020/07/19 04:00 | Chiba Lotte Marines - Reserves v Yomiuri Giants - Reserves | L | 1-2 |
| Japan - NPB Reserve League | 2020/07/17 04:00 | Chiba Lotte Marines - Reserves v Yomiuri Giants - Reserves | L | 2-4 |
| Japan - NPB Reserve League | 2020/08/25 07:00 | Chiba Lotte Marines - Reserves v Yomiuri Giants - Reserves | L | 9-2 |
| Japan - NPB Reserve League | 2020/08/23 04:00 | Yomiuri Giants - Reserves v Seibu Lions - Reserves | W | 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 | Yomiuri Giants - Reserves v Nipponham Fighters - Reserves | W | 8-5 |
| Japan - NPB Reserve League | 2020/08/11 04:00 | Yomiuri Giants - Reserves v Nipponham Fighters - Reserves | W | 10-9 |
| Japan - NPB Reserve League | 2020/07/26 04:00 | Chiba Lotte Marines - Reserves v Yomiuri Giants - Reserves | W | 1-2 |
| Japan - NPB Reserve League | 2020/07/24 07:00 | Chiba Lotte Marines - Reserves v Yomiuri Giants - Reserves | W | 2-3 |
| Japan - NPB Reserve League | 2020/07/22 07:00 | Yokohama Bay Stars - Reserves v Yomiuri Giants - Reserves | W | 1-6 |