| 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 |
| Honkbal - Wedstrijden | 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 | 2019/06/18 04:00 | Chiba Lotte Marines - Reserves v Seibu Lions - Reserves | W | 8-4 |
| 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 | 2020/09/02 03:56 | Yokohama Bay Stars - Reserves v Chiba Lotte Marines - Reserves | L | 5-4 |
| Japan - NPB Reserve League | 2020/08/26 07:00 | Chiba Lotte Marines - Reserves v Yomiuri Giants - Reserves | W | 4-3 |
| Japan - NPB Reserve League | 2020/11/21 03:30 | Seibu Lions - Reserves v SoftBank Hawks - Reserves | W | 6-5 |
| Japan - NPB Reserve League | 2020/10/30 03:30 | Yomiuri Giants - Reserves v Seibu Lions - Reserves | D | 2-2 |
| Japan - NPB Reserve League | 2020/10/25 03:30 | Yakult Swallows - Reserves v Seibu Lions - Reserves | W | 3-4 |
| Japan - NPB Reserve League | 2020/10/24 03:30 | Yakult Swallows - Reserves v Seibu Lions - Reserves | W | 0-5 |
| Japan - NPB Reserve League | 2020/10/23 03:30 | Yakult Swallows - Reserves v Seibu Lions - Reserves | D | 0-0 |
| Japan - NPB Reserve League | 2020/10/14 03:30 | Rakuten Eagles - Reserves v Seibu Lions - Reserves | L | 10-1 |
| Japan - NPB Reserve League | 2020/10/13 03:30 | Rakuten Eagles - Reserves v Seibu Lions - Reserves | D | 4-4 |
| Japan - NPB Reserve League | 2020/10/12 03:30 | Rakuten Eagles - Reserves v Seibu Lions - Reserves | L | 7-2 |