Stadium: Court 2 Round: 14 Ground: Clay
| 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 M15 Metzingen | 2023/07/28 13:50 | Stefan Popovic v Nicola Kuhn | 4-6,4-6 |
| ITF M15 Metzingen | 2023/07/27 11:00 | Stefan Popovic v Yannik Kelm | 6-4,4-6,6-2 |
| ITF M15 Metzingen | 2023/07/26 12:30 | Stefan Popovic v Alexander Donski | 2-6,6-3,7-5 |
| Challenger Liberec | 2023/07/30 08:00 | Dominik Recek v Neil Oberleitner | 3-6,6-4,6-4 |
| Challenger Astana | 2023/07/27 07:25 | Alexander Zgirovsky v Neil Oberleitner | 7-6,6-2 |
| Challenger Astana | 2023/07/25 05:35 | Neil Oberleitner v Sidharth Rawat | 6-1,6-2 |
| Challenger Tampere | 2023/07/17 09:00 | Remy Bertola v Neil Oberleitner | 4-6,6-3,6-2 |
| Challenger Tampere | 2023/07/16 09:20 | Neil Oberleitner v Eric Vanshelboim | 6-2,6-1 |
| Challenger Salzburg | 2023/07/10 17:00 | Neil Oberleitner v Vit Kopriva | 7-6,1-6,1-6 |
| Challenger Karlsruhe | 2023/07/02 15:50 | Neil Oberleitner v Akira Santillan | 6-7,3-6 |
| Challenger Poznan | 2023/06/20 10:25 | Jerome Kym v Neil Oberleitner | 6-1,6-2 |