Stadium: Center Court Round: 27 Ground: Clay
| Challenger - Augsburg - Herredouble | 2023/08/24 11:15 | Oberleitner/Sandkaulen v Merino/Negritu | 4-6,6-4,10-7 |
| Challenger - Liberec - Herredouble | 2023/08/05 09:15 | Nouza/Paulson v Oberleitner/Sandkaulen | 6-3,6-4 |
| Challenger - Liberec - Herredouble | 2023/08/04 11:15 | Kouzmine/Uzhylovskyi v Oberleitner/Sandkaulen | 6-7,5-7 |
| Challenger - Liberec - Herredouble | 2023/08/03 11:40 | Jebavy/Vesely v Oberleitner/Sandkaulen | 3-6,6-7 |
| Challenger - Liberec - Herredouble | 2023/08/02 13:15 | Stepanov/Whiting v Oberleitner/Sandkaulen | 6-7,2-6 |
| Challenger - Salzburg - Herredouble | 2023/07/13 14:05 | Cacic/Cornea v Oberleitner/Sandkaulen | 4-6,6-3,10-4 |
| 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 - Augsburg - Herredouble | 2023/08/23 15:05 | Rodriguez Taverna/Torres v Pichler/Somani | 7-6,7-5 |