| UTR Pro - Belgrad | 2023/10/09 06:00 | Marko Nikolic v Illya Beloborodko | 6-7,6-7 |
| 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 |
| UTR Pro - Belgrad | 2023/10/08 12:46 | Aleksa Mardjonovic v Obrad Markovski | 2-6,3-6 |
| UTR Pro - Belgrad | 2023/10/06 07:30 | Aleksa Mardjonovic v Drazen Petrovic | 4-6,6-3,2-6 |
| UTR Pro - Belgrad | 2023/10/04 06:00 | Enrique Bogo v Aleksa Mardjonovic | 4-6,6-3,6-4 |
| UTR Pro - Belgrad | 2023/10/03 09:33 | Domagoj Biljesko v Aleksa Mardjonovic | 6-0,4-6,6-2 |
| UTR Pro - Belgrad | 2023/10/02 08:01 | Zekai Li v Aleksa Mardjonovic | 3-6,2-6 |
| ITF - M15 - Pirot | 2023/09/05 07:30 | Aleksa Mardjonovic v Francesco Ferrari | 7-6,4-6,6-10 |
| ITF - M15 - Pirot | 2023/09/04 08:30 | Aleksa Mardjonovic v Jacques-Kai Inoue | 6-3,7-5 |
| ITF - M15 - Wien | 2023/08/29 09:30 | Tomas Lanik v Aleksa Mardjonovic | 6-2,6-0 |