Stadium: CC Round: 27 Ground: Clay
| ITF M15 Trier | 2022/08/25 09:00 | Tom Gentzsch v Max Wiskandt | 7-6,6-3 |
| 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 Uberlingen | 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 | 2023/08/06 16:55 | Tom Gentzsch v Maxime Mora | 5-7,6-4,6-1 |
| ITF M15 Eindhoven | 2023/08/03 14:30 | Sander Jong v Tom Gentzsch | 1-6,6-2,6-3 |
| ITF M15 Eindhoven | 2023/08/02 14:00 | Christian Sigsgaard v Tom Gentzsch | 6-2,4-6,3-6 |
| ITF M15 Eindhoven | 2023/08/01 11:05 | Maciej Rajski v Tom Gentzsch | 4-6,6-4,3-6 |
| ITF M15 Trier | 2023/08/24 10:30 | Max Wiskandt v Kai Lemstra | 6-4,6-4 |
| ITF M15 Trier | 2023/08/22 10:55 | Vit Kalina v Max Wiskandt | 5-7,3-6 |
| ITF M15 Uberlingen | 2023/08/17 07:55 | Max Wiskandt v Aleksandre Metreveli | 6-7,6-7 |
| ITF M15 Uberlingen | 2023/08/16 08:00 | Max Wiskandt v Dominik Recek | 6-3,6-2 |
| ITF M25 Wetzlar | 2023/08/04 10:00 | Tim Handel v Max Wiskandt | 7-6,1-6,6-2 |
| ITF M25 Wetzlar | 2023/08/03 07:55 | Max Wiskandt v Johann Lars | 6-1,2-6,7-6 |
| ITF M25 Wetzlar | 2023/08/01 11:15 | Max Wiskandt v Enzo Lima | 6-1,6-0 |
| ITF M25 Wetzlar | 2023/07/31 11:30 | Max Wiskandt v Michalis Sakellaridis | 6-2,6-2 |