Stadium: Center Court Mulheim Round: 1
| DTB German Pro Series | 2020/06/25 09:45 | Tom Schonenberg v Marvin Moeller | 6-4,3-6,4-6 |
| DTB German Pro Series | 2020/06/23 08:00 | Marvin Moeller v Stefan Seifert | 4-6,6-3,7-5 |
| DTB German Pro Series | 2020/06/14 11:00 | Marvin Moeller v Lucas Gerch | 4-6,5-7 |
| DTB German Pro Series | 2020/06/13 08:30 | Nino Ehrenschneider v Marvin Moeller | 4-6,6-3,6-2 |
| DTB German Pro Series | 2020/06/12 13:00 | Cedrik-Marcel Stebe v Marvin Moeller | 7-5,2-6,6-4 |
| DTB German Pro Series | 2020/06/11 08:00 | Jeremy Jahn v Marvin Moeller | 6-3,0-6,3-6 |
| ITF M15 Loule | 2020/03/12 11:00 | Maverick Banes v Marvin Moeller | 6-2,2-6,6-3 |
| ITF M15 Loule | 2020/03/11 10:30 | Yannik Steinegger v Marvin Moeller | 3-6,4-6 |
| DTB German Pro Series | 2020/06/25 08:00 | Kai Wehnelt v Stefan Seifert | 6-4,6-2 |
| DTB German Pro Series | 2020/06/24 10:30 | Tom Schonenberg v Kai Wehnelt | 7-6,6-3 |
| DTB German Pro Series | 2020/06/12 11:05 | Peter Heller v Kai Wehnelt | 6-4,6-4 |
| DTB German Pro Series | 2020/06/11 09:45 | Max Wiskandt v Kai Wehnelt | 6-4,3-6,1-6 |
| DTB German Pro Series | 2020/06/10 13:50 | Oscar Otte v Kai Wehnelt | 6-2,6-1 |
| DTB German Pro Series | 2020/06/09 09:25 | Julian Lenz v Kai Wehnelt | 7-6,3-6,4-6 |
| ITF M15 Doha | 2020/03/12 12:00 | Kai Wehnelt v Dan Alexandru Tomescu | 4-6,6-3,6-4 |
| ITF M15 Doha | 2020/03/11 16:20 | Kai Wehnelt v Ryan Nijboer | 2-6,6-4,6-4 |