Round: 1
| German Championship | 2020/12/07 15:00 | Johannes Fleischmann v Marvin Moeller | 2-6,2-5 |
| Challenger Eckental | 2020/11/07 10:00 | Marvin Moeller v Ramkumar Ramanathan | 6-4,1-6,1-6 |
| Challenger Eckental | 2020/11/06 11:15 | Kamil Majchrzak v Marvin Moeller | 4-6,2-6 |
| Challenger Eckental | 2020/11/04 09:00 | Marvin Moeller v Mats Rosenkranz | 6-2,6-4 |
| Challenger Eckental | 2020/11/02 10:25 | Marvin Moeller v Illya Marchenko | 6-3,1-6,6-1 |
| Challenger Eckental | 2020/11/01 10:50 | Matthias Bachinger v Marvin Moeller | 1-6,6-4,5-7 |
| Challenger Eckental | 2020/10/31 09:00 | Marvin Moeller v Jiri Lehecka | 6-3,6-4 |
| Challenger Hamburg | 2020/10/25 11:00 | Marvin Moeller v Pavel Kotov | 3-6,6-7 |
| ITF M15 Alkmaar | 2020/08/27 09:00 | Shintaro Mochizuki v Christoph Negritu | 6-4,7-5 |
| ITF M15 Alkmaar | 2020/08/25 14:40 | Christoph Negritu v Carlos Boluda-Purkiss | 6-3,4-6,6-4 |
| DTB German Pro Series | 2020/06/27 12:00 | Daniel Altmaier v Christoph Negritu | 6-4,7-5 |
| DTB German Pro Series | 2020/06/26 14:40 | Daniel Altmaier v Christoph Negritu | 7-6,6-1 |
| DTB German Pro Series | 2020/06/25 13:50 | Christoph Negritu v Mats Rosenkranz | 6-7,1-6 |
| DTB German Pro Series | 2020/06/24 13:05 | Yannick Hanfmann v Christoph Negritu | 6-4,7-6 |
| DTB German Pro Series | 2020/06/14 11:50 | Christoph Negritu v Louis Wessels | 6-1,7-6 |
| DTB German Pro Series | 2020/06/13 09:40 | Mika Lipp v Christoph Negritu | 7-5,3-6,3-6 |