Stadium: Court 6 Round: 26 Ground: Clay
| ITF M15 Allershausen | 2023/08/30 10:00 | Tom Gentzsch v David Fix | 6-2,6-4 |
| ITF M15 Bad Waltersdorf | 2023/10/04 11:55 | Tom Gentzsch v Nik Mikovic | 6-3,6-1 |
| ITF M15 Forbach | 2023/09/30 13:15 | Tom Gentzsch v Hamish Stewart | 6-7,6-7 |
| ITF M15 Forbach | 2023/09/29 13:30 | Volodymyr Iakubenko v Tom Gentzsch | 7-6,6-7,6-7 |
| ITF M15 Forbach | 2023/09/28 16:00 | Boris Fassbender v Tom Gentzsch | 6-7,6-7 |
| ITF M15 Forbach | 2023/09/27 08:00 | Niklas Schell v Tom Gentzsch | 6-7,6-7 |
| ITF M15 Buschhausen | 2023/09/14 11:45 | Marc Majdandzic v Tom Gentzsch | 3-6,6-4,6-4 |
| ITF M15 Buschhausen | 2023/09/13 14:45 | Jakob Schnaitter v Tom Gentzsch | 4-6,6-4,3-6 |
| ITF M15 Koszalin | 2023/09/08 15:00 | Dominik Kellovsky v Tom Gentzsch | 6-2,5-7,6-4 |
| ITF M15 Bad Waltersdorf | 2023/10/04 09:40 | David Fix v Dominik Kellovsky | 6-4,2-6,6-3 |
| ITF M15 Bad Waltersdorf | 2023/10/02 08:00 | David Fix v Maurus Malgiaritta | 6-1,6-0 |
| ITF M15 Bad Waltersdorf | 2023/10/01 09:00 | David Fix v Jaka Protic Zakelj | 7-6,6-4 |
| ITF M15 Buschhausen | 2023/09/12 11:40 | Niels Visker v David Fix | 6-1,6-3 |
| ITF M15 Haren | 2023/09/07 10:50 | David Fix v Sander Jong | 4-6,1-6 |
| ITF M15 Haren | 2023/09/05 11:00 | David Fix v Andrea Gola | 6-3,6-4 |
| ITF M15 Allershausen | 2023/08/30 10:00 | Tom Gentzsch v David Fix | 6-2,6-4 |
| Challenger Augsburg | 2023/08/20 11:25 | Tristan Lamasine v David Fix | 7-6,6-4 |