| Japan NPB Reserve League | 2020/11/22 03:30 | Chiba Lotte Marines Reserves v Seibu Lions Reserves | W | 9-4 |
| 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 | 2020/06/28 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 | W | 5-4 |
| Japan NPB Reserve League | 2019/07/27 04:16 | Chiba Lotte Marines Reserves v Seibu Lions Reserves | L | 1-2 |
| 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 | 2020/11/27 03:30 | Chiba Lotte Marines Reserves v Yokohama Bay Stars Reserves | W | 10-4 |
| Japan NPB Reserve League | 2020/11/22 03:30 | Chiba Lotte Marines Reserves v Seibu Lions Reserves | W | 9-4 |
| Japan NPB Reserve League | 2020/11/17 03:30 | Chiba Lotte Marines Reserves v SoftBank Hawks Reserves | L | 5-10 |
| Japan NPB Reserve League | 2020/11/12 03:30 | Chiba Lotte Marines Reserves v SoftBank Hawks Reserves | L | 2-5 |
| Japan NPB Reserve League | 2020/11/10 03:30 | Hanshin Tigers Reserves v Chiba Lotte Marines Reserves | W | 4-5 |
| Japan NPB Reserve League | 2020/11/08 03:30 | Orix Buffaloes Reserves v Chiba Lotte Marines Reserves | D | 0-0 |
| Japan NPB Reserve League | 2020/10/01 03:30 | Chiba Lotte Marines Reserves v Nipponham Fighters Reserves | L | 0-13 |
| Japan NPB Reserve League | 2020/09/30 03:30 | Chiba Lotte Marines Reserves v Nipponham Fighters Reserves | D | 3-3 |
| Japan NPB Reserve League | 2021/03/26 03:54 | Yokohama Bay Stars Reserves v Seibu Lions Reserves | W | 6-8 |
| Japan NPB Reserve League | 2021/03/24 04:00 | Yomiuri Giants Reserves v Seibu Lions Reserves | W | 1-2 |
| Japan NPB Reserve League | 2021/03/23 04:00 | Yomiuri Giants Reserves v Seibu Lions Reserves | W | 0-1 |
| Japan NPB Reserve League | 2020/11/29 02:00 | Seibu Lions Reserves v Hiroshima Carp Reserves | W | 2-0 |
| Japan NPB Reserve League | 2020/11/28 03:30 | Seibu Lions Reserves v Rakuten Eagles Reserves | D | 5-5 |
| Japan NPB Reserve League | 2020/11/27 03:30 | SoftBank Hawks Reserves v Seibu Lions Reserves | L | 3-2 |
| Japan NPB Reserve League | 2020/11/22 03:30 | Chiba Lotte Marines Reserves v Seibu Lions Reserves | L | 9-4 |
| Japan NPB Reserve League | 2020/11/21 03:30 | Seibu Lions Reserves v SoftBank Hawks Reserves | W | 6-5 |