Stadium: Court 2 Kuhstall Round: 26 Ground: Clay
| 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 |
| 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 |
| ITF M15 Allershausen | 2023/08/30 13:45 | Maik Steiner v Frederic Schlossmann | 6-3,4-6,6-1 |
| ITF M15 Huy | 2023/08/22 09:00 | Stijn Slump v Maik Steiner | 7-5,6-7,6-4 |
| ITF M15 Eupen | 2023/08/10 09:00 | Luca Wiedenmann v Maik Steiner | 3-6,6-3,6-1 |
| ITF M15 Eupen | 2023/08/09 11:25 | Maik Steiner v Leopold Zima | 6-3,6-3 |
| ITF M25 Wetzlar | 2023/08/04 15:25 | Maik Steiner v Orlando Luz | 4-6,2-6 |
| ITF M25 Wetzlar | 2023/08/04 09:35 | Maik Steiner v Vincent Marysko | 6-2,6-1 |
| ITF M25 Wetzlar | 2023/08/03 11:30 | Matteo Martineau v Maik Steiner | 3-6,6-3,1-6 |
| ITF M15 Uslar | 2023/07/18 10:00 | Maik Steiner v Olle Wallin | 6-7,4-6 |