Stadium: Court 1 Round: 27 Ground: Clay
| ITF M15 Koszalin | 2023/09/07 10:00 | Dominik Kellovsky v Tim Ruehl | 6-1,3-6,6-3 |
| ITF M15 Koszalin | 2023/09/06 14:15 | Dominik Kellovsky v Piotr Siekanowicz | 6-4,7-5 |
| ITF M15 Vienna | 2023/09/02 11:00 | Milos Karol v Dominik Kellovsky | 6-2,6-3 |
| ITF M15 Vienna | 2023/09/01 09:45 | Luka Mikrut v Dominik Kellovsky | 4-6,0-6 |
| ITF M15 Vienna | 2023/08/31 09:35 | Janos Fekete v Dominik Kellovsky | 5-7,6-1,3-6 |
| ITF M15 Vienna | 2023/08/30 11:20 | Yvo Panak v Dominik Kellovsky | 7-5,3-6,6-7 |
| ITF M25 Poznan | 2023/08/23 14:05 | Jeremy Jahn v Dominik Kellovsky | 7-5,6-4 |
| ITF M15 Kottingbrunn | 2023/08/16 10:00 | Dominik Kellovsky v Yannik Kelm | 6-7,3-6 |
| ITF M15 Koszalin | 2023/09/07 16:00 | Oskar Grzegorzewski v Tom Gentzsch | 3-6,5-7 |
| ITF M15 Koszalin | 2023/09/06 14:05 | Maciej Matuszczyk v Tom Gentzsch | 5-7,7-5,2-6 |
| ITF M15 Allershausen | 2023/09/01 10:00 | Tom Gentzsch v Christoph Negritu | 2-6,6-7 |
| ITF M15 Allershausen | 2023/08/31 10:00 | Tom Gentzsch v Maik Steiner | 7-6,6-4 |
| ITF M15 Allershausen | 2023/08/30 10:00 | Tom Gentzsch v David Fix | 6-2,6-4 |
| 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 |