Stadium: Court 4 Round: 62 Ground: Clay
| ITF M25 Osijek | 2023/08/09 13:00 | Nikola Basic v Matej Dodig | 1-6,2-6 |
| ITF M15 Litija | 2023/06/14 12:10 | Nikola Basic v Olaf Pieczkowski | 0-6,2-6 |
| ITF M15 Litija | 2023/06/13 07:00 | Nikola Basic v Igor Dudun | 6-1,6-4 |
| ITF M15 Litija | 2023/06/12 11:00 | Nikola Basic v Leon Benedict | 6-3,6-0 |
| ITF M15 Sarajevo | 2023/06/08 06:55 | Jakub Paul v Nikola Basic | 6-1,6-0 |
| ITF M15 Sarajevo | 2023/06/07 08:50 | Samuel Puskar v Nikola Basic | 5-7,6-3,3-6 |
| ITF M15 Sarajevo | 2023/06/06 11:50 | Nikola Basic v Josip Simundza | 2-6,6-3,10-4 |
| ITF M15 Sarajevo | 2023/06/05 08:00 | Nikola Basic v Andrej Djokic | 6-2,6-2 |
| ITF M25 Osijek | 2023/08/07 14:05 | Aleksandar Mihailovic v Marco Berti | 6-3,4-6,7-10 |
| ITF M25 Osijek | 2023/08/07 07:30 | Aleksandar Mihailovic v Shendrit Deari | 4-6,6-4,17-15 |
| ITF M15 Novi Sad | 2023/07/30 08:30 | Aleksandar Mihailovic v Milan Drinic | 5-7,1-6 |
| ITF M15 Novi Sad | 2023/07/24 11:10 | Novak Novakovic v Aleksandar Mihailovic | 7-6,6-1 |
| ITF M15 Novi Sad | 2023/07/23 13:00 | Aleksandar Mihailovic v Andrej Krajcik | 6-0,0-6,10-7 |
| ITF M15 Kursumlijska Banja | 2023/06/19 10:55 | Aleksandar Mihailovic v Shendrit Deari | 6-4,4-6,2-10 |
| ITF M15 Kursumlijska Banja | 2023/06/18 15:00 | Mwendwa Mbithi v Aleksandar Mihailovic | 4-6,4-6 |
| ITF M25 Kursumlijska Banja | 2023/06/05 15:40 | Aleksandar Mihailovic v Simone Agostini | 5-7,6-7 |