Stadium: Court 6 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Sharm El Sheikh | 2024/01/31 10:35 | Dax Donders v Carlo A Caniato | 3-6,6-4,7-6 |
| ITF M15 Zahra | 2023/12/13 14:45 | Aleksandr Braynin v Dax Donders | 6-4,6-1 |
| ITF M15 Zahra | 2023/12/07 08:45 | Adrian Oetzbach v Dax Donders | 7-6,6-1 |
| ITF M15 Zahra | 2023/12/06 12:55 | Dax Donders v Sander Jong | 6-4,7-6 |
| ITF M25 Heraklion | 2023/11/08 10:05 | Enrico Dalla Valle v Dax Donders | 6-3,6-2 |
| ITF M25 Heraklion | 2023/11/01 08:35 | Vladyslav Orlov v Dax Donders | 6-1,6-4 |
| ITF M25 Heraklion | 2023/10/31 07:00 | Dax Donders v Ki Lung NG | 6-2,6-2 |
| ITF M25 Heraklion | 2023/10/30 09:30 | Dax Donders v Dario Drebenstedt | 6-1,6-2 |
| ITF M15 Sharm El Sheikh | 2024/01/31 11:30 | Niklas Schell v Marek Gengel | 0-6,5-7 |
| ITF M25 Doha | 2024/01/16 13:25 | Masamichi Imamura v Marek Gengel | 6-2,6-4 |
| ITF M15 Doha | 2024/01/10 12:00 | Marek Gengel v Elliot Benchetrit | 4-6,3-6 |
| ITF M25 Heraklion | 2023/12/02 08:30 | Marek Gengel v Valentin Royer | 6-7,6-2,4-6 |
| ITF M25 Heraklion | 2023/12/01 10:50 | Pavlos Tsitsipas v Marek Gengel | 6-3,2-6,2-6 |
| ITF M25 Heraklion | 2023/11/30 07:30 | Max Benaim v Marek Gengel | 1-6,2-6 |
| ITF M25 Heraklion | 2023/11/29 08:50 | Evangelos Kypriotis v Marek Gengel | 0-6,1-6 |
| ITF M25 Vale Do Lobo | 2023/11/15 10:00 | Pietro Pampanin v Marek Gengel | 6-4,6-3 |