Stadium: Court 7 Round: 25 Ground: Clay
| ITF M15 Meerbusch | 2023/04/26 12:20 | Florian Broska v Tom Gentzsch | 3-6,6-3,6-3 |
| ITF M15 Telde | 2023/04/19 11:00 | Tom Gentzsch v Tomas C Abasolo | 3-6,7-5,7-5 |
| ITF M15 Antalya | 2023/04/05 10:25 | Tom Gentzsch v John Sperle | 4-6,2-6 |
| ITF M25 Saint Dizier | 2023/03/30 13:10 | Khumoyun Sultanov v Tom Gentzsch | 6-4,6-1 |
| ITF M25 Saint Dizier | 2023/03/29 07:55 | Oscar Lacides v Tom Gentzsch | 3-6,5-7 |
| ITF M15 Antalya | 2023/03/24 09:35 | Tom Gentzsch v Gilles Arnaud Bailly | 5-7,2-6 |
| ITF M15 Antalya | 2023/03/23 07:20 | Tom Gentzsch v Adam Moundir | 3-6,6-3,6-2 |
| ITF M15 Antalya | 2023/03/22 06:50 | Stefan Palosi v Tom Gentzsch | 0-6,2-6 |
| ITF M15 Alaminos-Larnaca | 2023/04/29 08:00 | Sebastian Prechtel v Guy Den Ouden | 6-3,4-6,3-6 |
| ITF M15 Alaminos-Larnaca | 2023/04/27 08:40 | Moerani Bouzige v Sebastian Prechtel | 2-6,3-6 |
| ITF M15 Alaminos-Larnaca | 2023/04/26 07:00 | Jacob Bradshaw v Sebastian Prechtel | 3-6,4-6 |
| ITF M25 Dubrovnik | 2023/04/06 09:45 | Duje Ajdukovic v Sebastian Prechtel | 2-6,7-6,6-1 |
| ITF M25 Dubrovnik | 2023/04/05 11:05 | Sebastian Prechtel v Przemyslaw Michocki | 6-4,6-3 |
| UTR Pro Zadar | 2023/03/31 06:00 | Sebastian Prechtel v Kristian Juhas | 0-6,2-6 |
| UTR Pro Zadar | 2023/03/30 07:30 | Sebastian Prechtel v Nikola Basic | 2-6,6-3,7-5 |
| UTR Pro Zadar | 2023/03/29 06:00 | Paul Woerner v Sebastian Prechtel | 2-6,2-6 |