Stadium: CC Round: 62 Ground: Clay
| ITF M25 Alkmaar | 2021/06/25 11:30 | Nicolas Alvarez Varona v Marvin Moeller | 6-1,6-4 |
| ITF M25 Alkmaar | 2021/06/24 09:00 | Deney Wassermann v Marvin Moeller | 6-7,7-6,3-6 |
| ITF M25 Alkmaar | 2021/06/23 10:55 | Marvin Moeller v Jeremy Jahn | 6-2,6-0 |
| ITF M25 Alkmaar | 2021/06/21 17:30 | Marvin Moeller v Michiel de Krom | 2-6,6-4,10-3 |
| ITF M25 Alkmaar | 2021/06/20 11:00 | Marvin Moeller v Max Wiskandt | 7-6,6-3 |
| ITF M15 Heraklion | 2021/06/09 11:45 | Marvin Moeller v William Griffith | 4-6,4-6 |
| ITF M15 Heraklion | 2021/06/02 10:55 | Marvin Moeller v Antonio Cayetano March | 3-6,6-7 |
| ITF M15 Sibenik | 2021/04/20 11:05 | Marvin Moeller v Sean Cuenin | 6-2,6-7,2-6 |
| Polish National Tour | 2020/08/23 08:00 | Kamil Gajewski v Jasza Szajrych | 6-4,6-1 |
| Polish National Tour | 2020/08/21 09:00 | Jasza Szajrych v Filip Kolasinski | 7-6,6-7,6-3 |
| Polish National Tour | 2020/07/27 08:00 | Jasza Szajrych v Daniel Michalski | 4-6,2-6 |
| Polish National Tour | 2020/07/26 07:00 | Dominik Nazaruk v Jasza Szajrych | 3-6,5-7 |
| Polish National Tour | 2020/07/25 09:35 | Jasza Szajrych v Jan Zielinski | 2-6,6-2,6-4 |
| Polish National Tour | 2020/07/14 16:00 | Hubert Hurkacz v Jasza Szajrych | 6-4,7-6 |
| Polish National Tour | 2020/07/06 14:00 | Kamil Majchrzak v Jasza Szajrych | 6-1,6-0 |