Stadium: Court 1 Round: 25 Ground: Clay
| Challenger Banja Luka | 2023/08/07 12:20 | Stefan Popovic v Neil Oberleitner | 6-4,6-2 |
| 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 |
| ITF M15 Kottingbrunn | 2023/08/14 10:30 | Attila Dominik Boros v Janos Fekete | 7-6,6-4 |
| ITF M15 Kottingbrunn | 2023/08/14 08:00 | Attila Dominik Boros v Adam Krischke | 6-1,6-4 |
| ITF M15 Kottingbrunn | 2023/08/13 12:00 | Attila Dominik Boros v Yannick Penkner | 6-0,6-3 |
| ITF M15 Raanana | 2023/08/01 08:55 | Lior Goldenberg v Attila Dominik Boros | 6-4,7-5 |
| ITF M15 Raanana | 2023/07/31 07:00 | Attila Dominik Boros v Mark Neyelov | 7-6,7-6 |
| ITF M15 Raanana | 2023/07/30 11:30 | Attila Dominik Boros v Eyal Shumilov | 6-2,6-3 |
| ITF M15 Novi Sad | 2023/07/26 07:30 | Tom Paris v Attila Dominik Boros | 6-3,7-5 |
| ITF M15 Novi Sad | 2023/07/25 07:30 | Nicolas Bruna v Attila Dominik Boros | 7-5,3-6,4-10 |