Stadium: Court 3 Round: 27 Ground: Clay
| ITF M15 Kursumlijska Banja | 2023/04/24 07:00 | Valentin Vanta v Nikola Kolyachev | 6-4,7-5 |
| ITF M15 Kursumlijska Banja | 2023/04/23 07:00 | Tarik Sehovic v Nikola Kolyachev | 2-6,0-6 |
| UTR Pro Beograd | 2023/04/22 06:00 | Nikola Kolyachev v Edison Ambarzumjan | 0-3 |
| UTR Pro Beograd | 2023/04/21 07:30 | Nikola Kolyachev v Strahinja Rakic | 7-6,4-6,3-6 |
| UTR Pro Beograd | 2023/04/20 06:00 | Nikola Kolyachev v Luka Pavlovic | 3-6,2-6 |
| UTR Pro Beograd | 2023/04/19 07:30 | Matija Samardzic v Nikola Kolyachev | 3-6,6-1,6-4 |
| UTR Pro Beograd | 2023/04/18 06:00 | Maxime Hamou v Nikola Kolyachev | 6-1,6-1 |
| ITF M15 Sozopol | 2022/10/16 10:00 | Adam Jurajda v Nikola Kolyachev | 7-6,6-3 |
| ITF M15 Antalya | 2023/05/03 12:15 | Yanaki Milev v Cengiz Aksu | 6-7,3-6 |
| ITF M15 Antalya | 2023/04/20 09:00 | Viacheslav Bielinskyi v Yanaki Milev | 5-7,6-1,6-4 |
| ITF M15 Antalya | 2023/04/18 10:25 | Yanaki Milev v Jasper Lai | 6-1,6-1 |
| ITF M15 Antalya | 2023/04/16 07:20 | Dragos Nicolae Madaras v Yanaki Milev | 4-6,6-0,4-6 |
| ITF M15 Antalya | 2023/04/15 07:20 | Yanaki Milev v Damien Wenger | 7-6,7-6 |
| ITF M15 Antalya | 2023/04/13 09:25 | Daniele Capecchi v Yanaki Milev | 7-6,6-7,1-6 |
| ITF M15 Antalya | 2023/04/11 12:15 | Yanaki Milev v Bor Artnak | 6-2,5-7,7-6 |
| ITF M15 Antalya | 2023/04/08 08:00 | Yanaki Milev v Sidane Pontjodikromo | 0-6,3-6 |