| Beach Pro Tour Futures Brno | 2023/08/24 10:40 | Kostler/Kostler v Andreasson/Andersson | 2-0 |
| Austrian Beach Tour Wolfurt | 2023/08/12 09:00 | Doppler/Kunert v Kostler/Kostler | 2-0 |
| Austrian Beach Tour Wolfurt | 2023/08/11 13:30 | Kostler/Kostler v Holzinger/Nedetzky | 2-1 |
| Austrian Beach Tour Wolfurt | 2023/08/11 08:30 | Friedl/Huber v Kostler/Kostler | 2-0 |
| Beach Pro Tour Leuven | 2023/07/15 07:00 | Kostler/Kostler v Bulgacs/Tocs | 0-2 |
| Beach Pro Tour Leuven | 2023/07/14 10:00 | Vandecaveye/Vandecaveye v Kostler/Kostler | 2-1 |
| Beach Pro Tour Leuven | 2023/07/13 15:10 | Kostler/Kostler v Cuzmiciov/Day | 2-1 |
| Beach Pro Tour Leuven | 2023/07/13 10:00 | Chouikh-Barbez/Altwies v Kostler/Kostler | 1-2 |