Stadium: Court 1 Round: 27 Ground: Clay
| Challenger - Salzburg - Herredouble | 2023/07/11 14:10 | Cacic/Cornea v Dzumhur/Fatic | 6-1,6-4 |
| Challenger - Parma - Herredouble | 2023/06/23 12:00 | Cacic/Cornea v Margaroli/Ramanathan | 6-1,4-6,13-15 |
| Challenger - Parma - Herredouble | 2023/06/22 15:00 | Cacic/Cornea v Muller/Popko | 7-5,7-5 |
| Challenger - Parma - Herredouble | 2023/06/21 15:00 | Cacic/Cornea v Caruso/Gaio | 6-1,6-4 |
| Challenger - Salzburg - Herredouble | 2023/07/12 11:10 | Oberleitner/Sandkaulen v Karol/Orlov | 7-6,7-6 |
| Challenger - Karlsruhe - Herredouble | 2023/07/08 10:30 | Oberleitner/Sandkaulen v Kopriva/Pervolarakis | 6-1,6-1 |
| Challenger - Karlsruhe - Herredouble | 2023/07/07 14:05 | Oberleitner/Sandkaulen v Matuszewski/Romios | 6-3,4-6,10-4 |
| Challenger - Karlsruhe - Herredouble | 2023/07/06 11:50 | Oberleitner/Sandkaulen v Libietis/Walkow | 3-6,7-6,11-9 |
| Challenger - Karlsruhe - Herredouble | 2023/07/05 09:00 | Jebavy/Verbeek v Oberleitner/Sandkaulen | 3-6,3-6 |
| Challenger - Poznan - Herredouble | 2023/06/20 15:45 | Liutarevich/Manafov v Oberleitner/Sandkaulen | 6-3,6-4 |
| Challenger - Bratislava - Herredouble | 2023/06/17 08:30 | Behar/Pavlasek v Oberleitner/Sandkaulen | 6-4,6-4 |
| Challenger - Bratislava - Herredouble | 2023/06/16 12:00 | Sabanov/Sabanov v Oberleitner/Sandkaulen | 6-3,4-6,4-10 |