Ground: Clay
| ITF M25 Heraklion | 2024/10/27 10:30 | Gabriel Matuszewski v Petros Tsitsipas | 6-7,6-4,4-10 |
| ITF M25 Heraklion | 2024/10/22 07:10 | Szymon Kielan v Gabriel Matuszewski | 6-1,6-3 |
| ITF M25 Heraklion | 2024/10/21 06:30 | Gabriel Matuszewski v Dorian Tremblay | 4-6,6-4,10-6 |
| ITF M15 Heraklion | 2024/10/17 10:50 | Gabriel Matuszewski v Cannon Kingsley | 0-6,0-6 |
| ITF M15 Heraklion | 2024/10/16 09:10 | Christos Antonopoulos v Gabriel Matuszewski | 4-6,6-2,4-6 |
| ITF M15 Heraklion | 2024/10/15 06:00 | Gabriel Matuszewski v Benoit Torcq | 6-1,6-2 |
| ITF M15 Heraklion | 2024/10/14 06:30 | Gabriel Matuszewski v Christos Keisidis | 7-6,6-3 |
| ITF M15 Kursumlijska Banja | 2024/09/21 09:00 | Tadija Radovanovic v Gabriel Matuszewski | 2-6,6-3,10-8 |
| Challenger Seoul | 2024/10/29 05:55 | Guy Den Ouden v Hiroki Moriya | 7-5,4-6,4-6 |
| Challenger Fairfield | 2024/10/08 21:00 | Guy Den Ouden v Rudy Quan | 6-3,3-6,4-6 |
| Challenger Tiburon | 2024/10/01 18:00 | Tristan Schoolkate v Guy Den Ouden | 6-3,7-6 |
| Challenger Sibiu | 2024/09/17 12:30 | Guy Den Ouden v Hynek Barton | 6-7,4-6 |
| Challenger Dobrich | 2024/09/14 09:00 | Guy Den Ouden v Jelle Sels | 6-2,6-3 |
| Challenger Dobrich | 2024/09/13 12:00 | Genaro Alberto Olivieri v Guy Den Ouden | 1-6,4-6 |
| Challenger Dobrich | 2024/09/13 08:00 | Guy Den Ouden v Alexander Donski | 6-3,6-3 |
| Challenger Dobrich | 2024/09/12 08:30 | Liam Draxl v Guy Den Ouden | 3-6,5-7 |