Stadium: Court 6 Round: 27 Ground: Clay
| ITF M25 Maribor | 2023/08/31 14:25 | Stefan Popovic v Raphael Calzi | 7-6,6-2 |
| ITF M25 Maribor | 2023/08/31 09:50 | Filip Cristian Jianu v Stefan Popovic | 5-7,4-6 |
| Challenger - Banja Luka | 2023/08/07 16:00 | Miljan Zekic v Stefan Popovic | 6-3,6-0 |
| Challenger - Banja Luka | 2023/08/07 12:20 | Stefan Popovic v Neil Oberleitner | 6-4,6-2 |
| ITF M15 Novi Sad | 2023/08/06 07:30 | Stefan Popovic v Matej Dodig | 6-4,2-6,3-6 |
| ITF M15 Novi Sad | 2023/08/05 08:00 | Valerio Aboian v Stefan Popovic | 6-7,4-6 |
| ITF M15 Novi Sad | 2023/08/04 10:15 | Florent Bax v Stefan Popovic | 6-7,6-2,5-7 |
| ITF M15 Novi Sad | 2023/08/03 09:45 | Miha Vetrih v Stefan Popovic | 3-6,6-4,3-6 |
| ITF M25 Maribor | 2023/08/31 13:30 | Viacheslav Bielinskyi v Fausto Tabacco | 6-3,7-6 |
| ITF M25 Maribor | 2023/08/30 14:00 | Miha Vetrih v Viacheslav Bielinskyi | 1-6,2-6 |
| ITF M25 Poznań | 2023/08/26 10:50 | Lorenzo Joaquin Rodriguez v Viacheslav Bielinskyi | 5-7,6-2,6-1 |
| ITF M25 Poznań | 2023/08/25 11:00 | Jeremy Jahn v Viacheslav Bielinskyi | 6-0,4-6,2-6 |
| ITF M25 Poznań | 2023/08/23 13:45 | Olaf Pieczkowski v Viacheslav Bielinskyi | 6-3,3-6,2-6 |
| ITF M25 Bielsko-Biała | 2023/08/18 08:30 | Hynek Barton v Viacheslav Bielinskyi | 6-4,6-4 |
| ITF M25 Bielsko-Biała | 2023/08/17 10:30 | Viacheslav Bielinskyi v Vladyslav Orlov | 6-3,6-2 |
| ITF M25 Bielsko-Biała | 2023/08/16 15:05 | Nikita Mashtakov v Viacheslav Bielinskyi | 2-6,4-6 |