Stadium: Central Arena Round: 29 Ground: Hardcourt indoor
| Challenger Mauthausen MD | 2023/05/13 09:30 | Arneodo/Weissborn v Frantzen/Jebens | 6-4,6-2 |
| Challenger Mauthausen MD | 2023/05/12 09:00 | Bortolotti/Cervantes v Frantzen/Jebens | 5-7,6-1,6-10 |
| Challenger Mauthausen MD | 2023/05/11 08:00 | Frantzen/Jebens v Cacic/Nedovyesov | 6-3,6-2 |
| Challenger Mauthausen MD | 2023/05/10 09:35 | Frantzen/Jebens v Neuchrist/Oberleitner | 6-3,6-4 |
| Challenger Cagliari MD | 2023/05/04 08:30 | Frantzen/Jebens v Erler/Miedler | 6-7,7-6,6-10 |
| Challenger Cagliari MD | 2023/05/03 11:20 | Barrientos/Behar v Frantzen/Jebens | 6-7,5-7 |
| Challenger Rome MD | 2023/04/26 09:00 | Frantzen/Jebens v Barrientos/Cabral | 4-6,7-6,7-10 |
| Challenger Oeiras MD | 2023/04/20 13:50 | Demoliner/Vavassori v Frantzen/Jebens | 7-6,6-7,10-8 |