| ITF M15 Zagreb | 2025/06/25 08:00 | Vito Tonejc v Antonio Voljavec | 6-2,6-3 |
| ITF M25 Kiseljak | 2025/06/12 10:56 | Antonio Voljavec v Joel Schwaerzler | 1-6,5-7 |
| ITF M25 Kiseljak | 2025/06/11 16:01 | Marko Maksimovic v Antonio Voljavec | 6-2,4-6,4-6 |
| ITF M25 Kiseljak | 2025/06/10 07:30 | Antonio Voljavec v Davud Amirov | 6-0,6-0 |
| ITF M15 Doboj | 2025/05/30 07:30 | Antonio Voljavec v Tymur Bieldiugin | 5-7,0-5 |
| ITF M15 Doboj | 2025/05/28 11:00 | Antonio Voljavec v Matteo Liusso | 6-2,7-5 |
| ITF M15 Doboj | 2025/05/27 08:00 | Edoardo Zanada v Antonio Voljavec | 6-0,6-2 |
| ITF M15 Prijedor | 2025/05/14 09:00 | Antonio Voljavec v Nemanja Malesevic | 4-6,2-6 |
| ITF M15 Store | 2025/07/02 12:06 | Nikola Basic v Stefano D'Agostino | 6-7,4-6 |
| ITF M15 Zagreb | 2025/06/24 08:00 | Nikola Basic v Glib Sekachov | 5-7,1-6 |
| ITF M15 Ljubljana | 2025/06/04 12:34 | Nikola Basic v Andrea Guerrieri | 2-6,1-6 |
| ITF M15 Doboj | 2025/05/30 12:30 | Andrej Nedic v Nikola Basic | 6-2,6-1 |
| ITF M15 Doboj | 2025/05/30 09:00 | Nikola Basic v Amaury Raynel | 6-3,5-1 |
| ITF M15 Doboj | 2025/05/27 13:44 | Jasza Szajrych v Nikola Basic | 6-7,6-3,3-6 |
| ITF M15 Brcko | 2025/05/22 08:30 | Jack Loge v Nikola Basic | 0-6,6-4,6-2 |
| ITF M15 Brcko | 2025/05/21 07:30 | Nikola Basic v Lucio Ratti | 6-4,6-2 |