Round: 1
| Challenger Koblenz | 2020/02/20 09:00 | Maximilian Marterer v Botic Van De Zandschulp | 4-6,2-6 |
| Challenger Koblenz | 2020/02/18 14:15 | Julian Lenz v Maximilian Marterer | 1-6,3-6 |
| Challenger Koblenz | 2020/02/17 14:20 | Maximilian Marterer v Eduardo Struvay | 6-3,7-6 |
| Challenger Cherbourg | 2020/02/11 11:25 | Matthias Bachinger v Maximilian Marterer | 2-6,7-6,6-4 |
| Challenger Cherbourg | 2020/02/10 13:05 | Hugo Gaston v Maximilian Marterer | 7-6,4-6,4-6 |
| Australian Open | 2020/01/15 23:00 | Maximilian Marterer v Yannick Maden | 7-6,6-7,6-7 |
| Challenger Noumea | 2020/01/06 08:25 | Maximilian Marterer v Ernests Gulbis | 6-1,3-6,6-7 |
| French Open | 2019/05/26 10:30 | Stefanos Tsitsipas v Maximilian Marterer | 6-2,6-2,7-6 |
| 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 |
| ITF M15 Loule | 2020/03/09 15:45 | Marvin Moeller v Jose Joaquin M Cisneros | 6-2,6-2 |
| ITF M15 Loule | 2020/03/09 11:00 | Albert Roglan v Marvin Moeller | 7-6,5-7,8-10 |
| ITF M15 Loule | 2020/03/08 10:00 | Guilherme Sousa Severin v Marvin Moeller | 0-6,0-6 |
| ITF M15 Faro | 2020/03/02 15:30 | Wojciech Marek v Marvin Moeller | 6-3,6-7,10-3 |
| ITF M15 Faro | 2020/03/02 10:00 | Marvin Moeller v Yannik Steinegger | 6-1,6-4 |
| ITF M15 Faro | 2020/03/01 13:00 | Marvin Moeller v Grigoriy Korobeynikov | 6-2,6-2 |