Stadium: VOLKSBANK Court Round: 28 Ground: Clay
| ITF M15 Uberlingen | 2023/08/18 10:00 | Max Hans Rehberg v Aleksandre Metreveli | 6-1,6-0 |
| ITF M15 Uberlingen | 2023/08/17 15:00 | Max Hans Rehberg v Marvin Schaber | 6-0,6-7,6-1 |
| Challenger Meerbusch | 2023/08/11 15:30 | Max Hans Rehberg v Titouan Droguet | 6-7,4-6 |
| Challenger Meerbusch | 2023/08/10 15:30 | Gauthier Onclin v Max Hans Rehberg | 6-7,6-7 |
| Challenger Meerbusch | 2023/08/08 16:05 | Max Hans Rehberg v Daniel Michalski | 2-6,6-1,6-4 |
| Challenger Luedenscheid | 2023/08/01 15:15 | Max Hans Rehberg v Rudolf Molleker | 4-6,2-6 |
| ATP Hamburg | 2023/07/22 10:20 | Daniel Elahi Galan v Max Hans Rehberg | 4-6,7-6,6-3 |
| Challenger Amersfoort | 2023/07/16 09:00 | Max Hans Rehberg v Tibo Colson | 6-3,6-7,4-6 |
| ITF M15 Uberlingen | 2023/08/18 15:30 | David Fix v Fnu Nidunjianzan | 4-6,6-4,6-3 |
| ITF M15 Uberlingen | 2023/08/17 07:55 | Hazem Naw v David Fix | 6-7,4-6 |
| ITF M15 Uberlingen | 2023/08/15 15:25 | David Fix v Justin Schlageter | 7-5,6-3 |
| ITF M15 Eupen | 2023/08/09 16:50 | Stijn Slump v David Fix | 3-6,6-4,6-1 |
| ITF M15 Metzingen | 2023/07/26 14:55 | Daniel Paty v David Fix | 6-2,6-1 |
| Challenger Karlsruhe | 2023/07/02 13:50 | Denis Yevseyev v David Fix | 6-3,6-3 |
| ITF M15 Kamen | 2023/06/27 10:45 | Jeremy Jahn v David Fix | 6-2,6-4 |
| ITF M15 Saarlouis | 2023/06/21 13:20 | David Fix v Guy Den Heijer | 6-4,6-7,2-6 |