| ITF M15 Valencia | 2024/11/11 09:00 | Marcel Zielinski v Anas Mazdrashki | 2-6,5-7 |
| ITF M15 Valencia | 2024/11/10 13:00 | Marcel Zielinski v Pere Prat Turro | 7-6,6-3 |
| ITF M15 Melilla | 2024/09/20 07:30 | Benjamin Winter Lopez v Marcel Zielinski | 7-6,6-1 |
| ITF M15 Melilla | 2024/09/18 12:15 | Gabriel Elicha Navas v Marcel Zielinski | 2-6,3-6 |
| Challenger Dobrich | 2024/09/08 13:15 | Marcel Zielinski v Dominik Kellovsky | 3-6,1-6 |
| ITF M15 Constanta | 2024/09/05 07:00 | Matteo De Vincentis v Marcel Zielinski | 7-6,6-3 |
| ITF M15 Constanta | 2024/09/04 06:30 | Gabriel Ghetu v Marcel Zielinski | 3-6,2-6 |
| Challenger Dobrich | 2024/08/18 07:00 | David Pichler v Marcel Zielinski | 6-2,5-7,6-4 |
| ITF M25 Antalya | 2024/11/27 07:00 | Mert Naci Turker v Tim Handel | 4-6,1-6 |
| ITF M25 Antalya | 2024/11/19 14:05 | Mert Naci Turker v Aleksandr Lobanov | 6-4,1-6,8-10 |
| ITF M25 Antalya | 2024/11/19 07:00 | Mert Naci Turker v Valentin Vanta | 6-3,6-4 |
| ITF M25 Antalya | 2024/11/18 07:30 | Mert Naci Turker v Kirill Kalennik | 6-2,6-1 |
| ITF M15 Antalya | 2024/11/13 06:30 | Stefan Popovic v Mert Naci Turker | 6-1,4-6,7-6 |
| ITF M15 Kayseri | 2024/10/31 07:25 | Mert Naci Turker v Johan A Rodriguez Rodriguez | 3-6,3-6 |
| ITF M15 Kayseri | 2024/10/29 08:15 | Mert Naci Turker v Valentin Kopeikin | 7-5,7-6 |
| ITF M15 Kayseri | 2024/10/24 09:30 | Mert Naci Turker v Cengiz Aksu | 6-2,5-7,6-7 |