Stadium: Court 7 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/02/09 10:30 | Lukas Mugevicius v Marvin Moeller | 6-3,6-2 |
| ITF M15 Monastir | 2021/02/04 11:00 | Skander Mansouri v Marvin Moeller | 6-0,6-1 |
| ITF M15 Monastir | 2021/02/03 13:50 | Louis Herman v Marvin Moeller | 3-6,6-4,4-6 |
| German Championship | 2020/12/08 15:00 | Marvin Moeller v Christoph Negritu | 6-7,6-3,3-6 |
| 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 |
| ITF M15 Monastir | 2021/02/09 08:30 | Naoki Tajima v Naoki Nakagawa | 5-7,0-6 |
| ITF M15 Cairo | 2021/01/28 10:30 | Lenny Hampel v Naoki Tajima | 6-1,6-4 |
| ITF M15 Cairo | 2021/01/27 07:30 | Muthu A Senthilkumar v Naoki Tajima | 1-6,1-6 |
| ITF M15 Cairo | 2021/01/26 08:00 | Naoki Tajima v Piotr Matuszewski | 6-4,6-4 |
| ITF M15 Cairo | 2021/01/26 08:00 | Naoki Tajima v Piotr Matuszewski | 6-4,6-4 |
| ITF M15 Cairo | 2021/01/25 08:00 | Naoki Tajima v Yash Chaurasia | 6-1,6-4 |
| ITF M15 Cairo | 2021/01/18 08:00 | Naoki Tajima v Maxence Beauge | 4-6,3-6 |
| ITF M15 Cairo | 2021/01/17 07:00 | Naoki Tajima v Sami Ben Abdennibi | 6-4,6-4 |