Stadium: Court 2 Round: 27 Ground: Clay
| ITF M15 Osijek | 2023/05/06 09:00 | Neil Oberleitner v Luka Mikrut | 6-2,7-5 |
| ITF M15 Kottingbrunn | 2023/08/17 09:35 | Neil Oberleitner v Yannik Kelm | 6-4,7-6 |
| 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 |
| ITF M15 Kottingbrunn | 2023/08/17 08:00 | Paul Werren v Luka Mikrut | 0-6,2-6 |
| ITF M15 Kottingbrunn | 2023/08/16 12:20 | Michael Gloeckler v Luka Mikrut | 6-2,4-6,3-6 |
| ITF M25 Osijek | 2023/08/13 08:30 | Luka Mikrut v Valerio Aboian | 6-4,6-4 |
| ITF M25 Osijek | 2023/08/12 08:30 | Sebastian Gima v Luka Mikrut | 4-6,6-2,1-6 |
| ITF M25 Osijek | 2023/08/11 10:40 | Luka Mikrut v Dusan Obradovic | 7-6,6-3 |
| ITF M25 Osijek | 2023/08/10 09:55 | Luka Mikrut v Luka Vuglar | 6-3,6-2 |
| ITF M25 Osijek | 2023/08/09 09:30 | Luka Mikrut v Aleksei Khomich | 6-2,6-2 |
| ITF M25 Padova | 2023/07/12 15:10 | Luka Mikrut v Alessandro Pecci | 4-6,6-4,3-6 |