| ITF M25 Belgrade | 2025/06/02 13:35 | Denis Klok v Sean Hess | 4-6,6-1,1-0 |
| ITF M15 Tehran | 2025/05/15 06:30 | Denis Klok v Matteo Covato | 6-7,4-6 |
| ITF M15 Tehran | 2025/05/14 06:00 | Denis Klok v Artem Bogomolov | 6-0,6-2 |
| ITF M15 Tehran | 2025/05/09 06:30 | S D Prajwal Dev v Denis Klok | 6-3,3-6,6-3 |
| ITF M15 Tehran | 2025/05/08 06:30 | Ivan Denisov v Denis Klok | 1-6,1-5 |
| ITF M15 Tehran | 2025/05/07 05:30 | Brandon Perez v Denis Klok | 4-6,4-4 |
| ITF M15 Shymkent | 2025/05/04 06:00 | Adrian Oetzbach v Denis Klok | 1-6,4-6 |
| ITF M15 Shymkent | 2025/05/03 07:30 | Denis Klok v Eric Vanshelboim | 6-2,4-1 |
| ITF M15 Klagenfurt | 2025/06/03 13:56 | Michael Gloeckler v Matthias Ujvary | 7-6,4-6,4-6 |
| ITF M15 Warmbad-Villach | 2025/05/29 11:00 | Diego Dedura-Palomero v Matthias Ujvary | 6-3,3-6,6-4 |
| ITF M15 Warmbad-Villach | 2025/05/28 09:30 | Lewie Lane v Matthias Ujvary | 4-6,2-6 |
| ITF M15 Warmbad-Villach | 2025/05/26 11:45 | Matthias Ujvary v Bor Artnak | 6-1,6-1 |
| ITF M15 Szentendre | 2025/05/15 13:43 | Matthias Ujvary v Carlos Maria Zarate | 6-2,1-6,4-6 |
| ITF M15 Szentendre | 2025/05/14 09:30 | Jakub Filip v Matthias Ujvary | 5-7,6-7 |
| Challenger Mauthausen | 2025/04/27 08:00 | Matthias Ujvary v Nerman Fatic | 2-6,1-6 |
| Challenger Abidjan Qual | 2025/04/20 12:00 | Matthias Ujvary v Matt Hulme | 3-6,6-7 |