Stadium: Court 6 Round: 26 Ground: Clay
| 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 M15 Novi Sad | 2023/08/02 13:50 | Szymon Kielan v Stefan Popovic | 2-6,1-6 |
| ITF M25 Maribor | 2023/08/30 14:00 | Raphael Calzi v Nik Mikovic | 6-4,4-6,6-3 |
| ITF M25 Maribor | 2023/08/29 12:20 | Raphael Calzi v Jan Neuburger-Higby | 6-1,6-1 |
| ITF M25 Maribor | 2023/08/28 15:30 | Raphael Calzi v Vid Mohar | 6-1,6-2 |
| ITF M25 Ystad | 2023/08/16 13:35 | Raphael Calzi v Stijn Pel | 6-2,3-6,3-6 |
| ITF M25 Ystad | 2023/08/15 08:35 | Raphael Calzi v Rafael Ymer | 6-1,6-0 |
| ITF M25 Ystad | 2023/08/14 08:40 | Raphael Calzi v Nicolai Zachrisson | 6-0,6-0 |
| ITF M15 Eupen | 2023/08/07 08:00 | Felix Mischker v Raphael Calzi | 7-6,6-4 |
| ITF M25 Wetzlar | 2023/08/01 10:30 | Facundo Yunis v Raphael Calzi | 6-4,6-1 |