| ITF M25 Vic | 2025/05/16 08:00 | Jay Clarke v Svyatoslav Gulin | 7-6,6-3 |
| ITF M25 Vic | 2025/05/15 08:00 | Hayato Matsuoka v Svyatoslav Gulin | 3-6,4-6 |
| ITF M25 Vic | 2025/05/13 08:00 | Gilles Arnaud Bailly v Svyatoslav Gulin | 1-6,3-6 |
| ITF M25 Sabadell | 2025/04/29 11:45 | Alejo Sanchez Quilez v Svyatoslav Gulin | 5-7,6-3,0-4 |
| ITF M15 Antalya | 2025/03/29 07:30 | Svyatoslav Gulin v Sergey Fomin | 6-1,6-7,2-6 |
| ITF M15 Antalya | 2025/03/23 07:30 | Andrey Chepelev v Svyatoslav Gulin | 3-6,1-6 |
| ITF M15 Antalya | 2025/03/22 07:30 | Alejandro Manzanera Pertusa v Svyatoslav Gulin | 5-7,2-6 |
| ITF M15 Antalya | 2025/03/16 07:30 | Stefan A Andreescu v Svyatoslav Gulin | 2-6,6-0,4-5 |
| 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 Shymkent | 2025/05/02 07:30 | Denis Klok v Amir Omarkhanov | 6-3,3-6,6-3 |