Stadium: Court 7 Yaskawa Round: 25 Ground: Clay
| ITF M15 Trier | 2023/08/27 09:00 | Tom Gentzsch v Hazem Naw | 4-6,2-6 |
| ITF M15 Trier | 2023/08/26 15:20 | Tom Schonenberg v Tom Gentzsch | 4-6,2-6 |
| ITF M15 Trier | 2023/08/25 15:00 | Tom Gentzsch v Max Wiskandt | 7-6,6-7,6-4 |
| ITF M15 Trier | 2023/08/24 15:00 | Tom Gentzsch v Mika Lipp | 6-4,1-6,7-6 |
| ITF M15 Trier | 2023/08/23 10:25 | Tom Gentzsch v Torben Steinorth | 6-2,6-3 |
| ITF M15 Überlingen | 2023/08/16 10:50 | Fnu Nidunjianzan v Tom Gentzsch | 6-4,4-6,6-4 |
| Challenger Meerbusch | 2023/08/08 09:00 | Tibo Colson v Tom Gentzsch | 6-1,6-4 |
| Challenger Meerbusch | 2023/08/07 13:40 | Tom Gentzsch v Maxime Mora | 5-7,6-4,6-1 |
| Challenger Augsburg | 2023/08/20 11:25 | Tristan Lamasine v David Fix | 7-6,6-4 |
| ITF M15 Überlingen | 2023/08/19 12:00 | Max Hans Rehberg v David Fix | 6-2,6-3 |
| ITF M15 Überlingen | 2023/08/18 15:30 | David Fix v Fnu Nidunjianzan | 4-6,6-4,6-3 |
| ITF M15 Überlingen | 2023/08/17 07:55 | Hazem Naw v David Fix | 6-7,4-6 |
| ITF M15 Überlingen | 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 |