| German Championship | 2022/12/08 14:00 | Marcel Zielinski v Lasse Portner | 6-2,2-6,6-3 |
| ITF M15 - Heraklion | 2022/11/08 07:30 | Daniel Siniakov v Marcel Zielinski | 6-1,6-2 |
| ITF M15 - Heraklion | 2022/11/07 08:00 | Stefano D'Agostino v Marcel Zielinski | 3-6,6-3,4-10 |
| ITF M15 - Heraklion | 2022/11/06 12:00 | Fabian Hansch Mauritzson v Marcel Zielinski | 1-6,0-6 |
| ITF M15 - Heraklion | 2022/11/03 11:35 | Benjamin Pietri v Marcel Zielinski | 6-1,6-3 |
| ITF M15 - Heraklion | 2022/11/02 11:50 | Marcel Zielinski v Szymon Kielan | 6-4,2-6,7-5 |
| ITF M15 - Heraklion | 2022/11/01 07:30 | Marcel Zielinski v Benjamin Kreynes | 6-2,6-2 |
| ITF M15 - Heraklion | 2022/10/30 07:00 | Marcel Zielinski v Damian Rodriguez | 6-2,6-7,10-7 |
| German Championship | 2022/12/06 15:00 | Max Wiskandt v Max Hans Rehberg | 7-6,2-6,4-5 |
| Challenger - Drummondville | 2022/11/14 15:00 | Max Hans Rehberg v Liam Drover-Mattinen | 7-6,6-1 |
| Challenger - Calgary | 2022/11/07 22:20 | Cleeve Harper v Max Hans Rehberg | 7-6,3-6,6-4 |
| Challenger - Hamborg | 2022/10/20 11:35 | Gregoire Barrere v Max Hans Rehberg | 6-2,6-1 |
| Challenger - Hamborg | 2022/10/19 08:30 | Max Hans Rehberg v Billy Harris | 7-6,6-2 |
| Challenger - Ismaning | 2022/10/16 12:00 | Quentin Halys v Max Hans Rehberg | 7-6,6-3 |
| Challenger - Ismaning | 2022/10/15 12:40 | Vasek Pospisil v Max Hans Rehberg | 4-6,6-7 |
| Challenger - Ismaning | 2022/10/14 15:15 | Elmar Ejupovic v Max Hans Rehberg | 6-7,6-7 |