| ITF - M15 - Kuršumlijska Banja | 2023/09/19 08:45 | Marko Nikolic v Ioannis Kountourakis | 4-6,4-6 |
| ITF - M15 - Kuršumlijska Banja | 2023/09/18 07:00 | Obrad Markovski v Marko Nikolic | 1-6,7-5,8-10 |
| ITF - M15 - Kuršumlijska Banja | 2023/09/17 10:30 | Marko Nikolic v Marko Maric | 6-3,3-6,10-3 |
| ITF - M15 - Kuršumlijska Banja | 2023/09/12 07:00 | Marko Nikolic v Zoran Ludoski | 3-6,1-6 |
| ITF - M15 - Kuršumlijska Banja | 2023/09/11 07:00 | Alexander Chepik v Marko Nikolic | 3-6,7-6,2-10 |
| ITF - M15 - Pirot | 2023/09/06 11:00 | Marko Nikolic v Antonio Massara | 3-6,2-6 |
| ITF - M15 - Kuršumlijska Banja | 2023/06/12 13:55 | Marko Nikolic v Bautista Vilicich | 5-7,6-4,4-10 |
| ITF - M15 - Kuršumlijska Banja | 2023/06/11 12:30 | Federico Hernan Giovanniello v Marko Nikolic | 1-6,1-6 |
| UTR Pro - Belgrad | 2023/10/06 08:24 | Aleksa Pisaric v Illya Beloborodko | 4-6,6-1,5-4 |
| UTR Pro - Belgrad | 2023/10/04 06:00 | Gabriel Matuszewski v Illya Beloborodko | 0-6,6-1,4-6 |
| UTR Pro - Belgrad | 2023/10/02 12:46 | Ivan Sodan v Illya Beloborodko | 4-6,2-5 |
| UTR Pro - Belgrad | 2023/10/01 11:04 | Oleg Prihodko v Illya Beloborodko | 6-1,6-4 |
| ITF - M15 - Budapest | 2023/09/06 10:45 | Illya Beloborodko v Sean Hodkin | 4-6,4-6 |
| ITF - M15 - Budapest | 2023/08/30 07:00 | Illya Beloborodko v Max Wiskandt | 1-6,6-7 |
| ITF - M15 - Überlingen | 2023/08/17 10:50 | Lasse Poertner v Illya Beloborodko | 6-4,3-6,6-3 |
| ITF - M15 - Überlingen | 2023/08/16 12:55 | Petro Orlando Fellin v Illya Beloborodko | 6-2,4-6,4-6 |