Stadium: Court 10 Round: 25 Ground: Clay
| ITF M15 Budva | 2022/06/01 14:35 | Damien Wenger v Giammarco Gandolfi | 7-5,6-1 |
| UTR Pro Tennis Series Blaricum | 2022/04/05 08:00 | Marcel Zielinski v Roland Stuurman | 3-6,4-6 |
| UTR Pro Tennis Series Blaricum | 2022/04/04 13:30 | Marcel Zielinski v Ivan Penev | 6-0,6-4 |
| UTR Pro Tennis Series Blaricum | 2022/04/03 11:00 | Miko Wassermann v Marcel Zielinski | 2-6,1-5 |
| ITF M25 Antalya | 2022/03/17 07:00 | Viacheslav Bielinskyi v Marcel Zielinski | 6-4,6-4 |
| ITF M25 Antalya | 2022/03/15 07:00 | Matas Vasiliauskas v Marcel Zielinski | 2-6,2-6 |
| UTR Pro Tennis Series Amsterdam | 2022/03/06 09:00 | Max Houkes v Marcel Zielinski | 7-5,6-3 |
| UTR Pro Tennis Series Amsterdam | 2022/03/05 12:00 | Thorsten Sollie v Marcel Zielinski | 5-7,3-6 |
| UTR Pro Tennis Series Amsterdam | 2022/03/03 10:30 | Marcel Zielinski v Yanais Laurent | 6-3,7-5 |