Round: 26 Ground: Clay
| ITF M15 Pirot | 2023/09/06 11:00 | Andrej Nedic v Alen Mujakic | 3-6,1-6 |
| Challenger Banja Luka | 2023/08/08 13:15 | Andrej Nedic v Javier Barranco Cosano | 7-5,6-7,3-6 |
| ITF M15 Novi Sad | 2023/08/04 09:30 | Matej Dodig v Andrej Nedic | 6-4,6-3 |
| ITF M15 Novi Sad | 2023/08/03 12:45 | Andrej Nedic v Marat Sharipov | 6-2,6-4 |
| ITF M15 Novi Sad | 2023/08/02 13:00 | Andrej Nedic v Jacques-Kai Inoue | 6-0,6-1 |
| ITF M15 Novi Sad | 2023/07/30 08:00 | Bor Artnak v Andrej Nedic | 6-0,7-6 |
| ITF M15 Novi Sad | 2023/07/29 10:45 | Marat Sharipov v Andrej Nedic | 2-6,4-6 |
| ITF M15 Novi Sad | 2023/07/28 12:55 | Andrej Nedic v Viktor Jovic | 6-3,4-6,6-2 |
| ITF M15 Pirot | 2023/09/06 11:00 | Marko Nikolic v Antonio Massara | 3-6,2-6 |
| ITF M15 Kursumlijska Banja | 2023/06/12 13:55 | Marko Nikolic v Bautista Vilicich | 5-7,6-4,4-10 |
| ITF M15 Kursumlijska Banja | 2023/06/11 12:30 | Federico Hernan Giovanniello v Marko Nikolic | 1-6,1-6 |
| ITF M25 Kursumlijska Banja | 2023/06/05 06:55 | Marko Nikolic v Gabriel Matuszewski | 3-6,6-2,6-10 |
| ITF M25 Kursumlijska Banja | 2023/06/04 07:00 | Pavle Daljev v Marko Nikolic | 3-6,6-4,8-10 |