Stadium: Court 3 Round: 54 Ground: Clay
| ITF M15 Lodz | 2022/07/25 10:00 | Aleksandr Kalinin v Sandro Szic | 6-0,3-6,8-10 |
| ITF M15 Metzingen | 2022/07/17 07:30 | Adrian Oetzbach v Sandro Szic | 6-2,6-4 |
| ITF M15 Wroclaw | 2022/06/29 07:50 | Sandro Szic v Vojtech Vlkovsky | 3-6,6-3,4-6 |
| ITF M25 Wroclaw | 2022/06/27 09:00 | Przemyslaw Michocki v Sandro Szic | 7-5,3-6,7-10 |
| ITF M25 Wroclaw | 2022/06/26 12:00 | Sandro Szic v Matyas Cerny | 6-3,3-6,11-9 |
| ITF M15 Bytom | 2022/06/07 08:00 | Gian Marco Ortenzi v Sandro Szic | 6-0,6-7,10-4 |
| ITF M25 Mataro | 2022/05/22 08:00 | Sandro Szic v Miguel Perez Pena | 4-6,1-6 |
| ITF M25 Vic | 2022/05/16 09:00 | Marcelo Zormann v Sandro Szic | 6-2,6-4 |
| ITF M15 Lodz | 2022/07/25 10:00 | Piotr Galus v Marcel Zielinski | 2-6,0-6 |
| Challenger Luedenscheid | 2022/06/28 16:55 | Marcel Zielinski v Denis Yevseyev | 7-6,2-6,4-6 |
| ITF M15 Kamen | 2022/06/21 14:00 | Marcel Zielinski v David Pichler | 3-6,6-7 |
| 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 |