Stadium: Court 3 Round: 25 Ground: Clay
| Austrian Pro Series | 2020/05/29 08:00 | Neil Oberleitner v Sandro Kopp | 3-6,3-6 |
| Challenger Bad Waltersdorf | 2023/09/19 10:00 | Dennis Novak v Sandro Kopp | 6-3,6-3 |
| Challenger Bad Waltersdorf | 2023/09/18 08:00 | Sandro Kopp v Marvin Moeller | 4-6,7-6,5-7 |
| Challenger Bad Waltersdorf | 2023/09/17 10:10 | Sandro Kopp v Marlon Vankan | 6-2,3-6,6-2 |
| Challenger Tulln | 2023/09/05 13:05 | Sandro Kopp v Gerald Melzer | 3-6,4-6 |
| ITF M25 Maribor | 2023/09/01 09:55 | Kirill Kivattsev v Sandro Kopp | 7-6,6-7,6-4 |
| ITF M25 Maribor | 2023/08/31 08:40 | Nikola Basic v Sandro Kopp | 5-7,7-6,0-6 |
| ITF M25 Maribor | 2023/08/30 13:25 | Biagio Gramaticopolo v Sandro Kopp | 4-6,2-6 |
| Challenger Augsburg | 2023/08/20 09:30 | Sandro Kopp v Hendrik Jebens | 6-7,2-6 |
| Challenger Bad Waltersdorf | 2023/09/18 10:05 | Ergi Kirkin v Neil Oberleitner | 6-7,6-4,6-2 |
| Challenger Bad Waltersdorf | 2023/09/17 12:50 | Neil Oberleitner v Jacopo Berrettini | 6-1,7-6 |
| Challenger Szczecin | 2023/09/10 13:00 | Neil Oberleitner v Toby Alex Kodat | 3-6,6-1,3-6 |
| Challenger Tulln | 2023/09/05 13:15 | Neil Oberleitner v Lucas Miedler | 6-7,6-2,3-6 |
| Challenger Augsburg | 2023/08/21 08:00 | Hady Habib v Neil Oberleitner | 4-6,6-3,7-6 |
| Challenger Augsburg | 2023/08/20 08:00 | Neil Oberleitner v Constantin Bittoun Kouzmine | 6-2,6-4 |
| ITF M15 Kottingbrunn | 2023/08/19 08:00 | Matej Dodig v Neil Oberleitner | 2-6,6-3,6-2 |
| ITF M15 Kottingbrunn | 2023/08/18 11:30 | Neil Oberleitner v Luka Mikrut | 2-6,6-4,7-6 |