Stadion: CC Round: 28 Ground: Clay
| ITF - M15 - Trier | 2023/08/25 14:35 | Jannik Maute v Tom Schonenberg | 0-6,7-6,4-6 |
| ITF - M15 - Trier | 2023/08/24 10:30 | Tom Schonenberg v Tommaso Carnevale-Miino | 6-4,7-6 |
| ITF - M15 - Trier | 2023/08/23 12:40 | Tom Schonenberg v Aaron Funk | 4-6,6-3,6-4 |
| ITF - M15 - Trier | 2023/08/21 12:30 | Davud Amirov v Tom Schonenberg | 1-6,7-5,7-10 |
| ITF - M25 - Den Haag | 2023/07/03 13:15 | Tom Schonenberg v Fons Van Sambeek | 3-6,2-6 |
| ITF - M25 - Den Haag | 2023/07/02 08:00 | Jack Loge v Tom Schonenberg | 7-5,5-7,7-10 |
| ITF - M15 - Saarlouis | 2023/06/18 09:00 | Tom Schonenberg v Maximilian Homberg | 3-6,2-6 |
| ITF - M15 - Meerbusch | 2023/04/25 08:00 | Florian Broska v Tom Schonenberg | 6-2,6-4 |
| 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 |
| 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 |