Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2023/10/20 08:30 | Mohamed Aziz Dougaz v Tom Gentzsch | 6-1,6-4 |
| ITF M15 Monastir | 2023/10/19 08:00 | Samir Hamza Reguig v Tom Gentzsch | 2-6,4-6 |
| ITF M15 Monastir | 2023/10/17 10:05 | Yuta Kikuchi v Tom Gentzsch | 2-6,6-7 |
| ITF M15 Monastir | 2023/10/14 09:50 | Maxence Beauge v Tom Gentzsch | 7-6,6-2 |
| ITF M15 Monastir | 2023/10/13 08:00 | Adrien Gobat v Tom Gentzsch | 2-6,4-6 |
| ITF M15 Monastir | 2023/10/12 08:00 | Aziz Ouakaa v Tom Gentzsch | 6-7,6-2,5-7 |
| ITF M15 Monastir | 2023/10/10 08:00 | Josh Roe Flannelly v Tom Gentzsch | 4-6,0-6 |
| ITF M15 Bad Waltersdorf | 2023/10/05 08:45 | Tom Gentzsch v David Fix | 3-6,2-6 |
| ITF M15 Telavi | 2023/10/25 11:10 | Gianluca Cadenasso v Nikola Basic | 7-6,6-1 |
| ITF M25 Telavi | 2023/10/16 06:00 | Nikola Basic v Maxence Bertimon | 4-6,3-6 |
| ITF M15 Bad Waltersdorf | 2023/10/01 09:00 | Nikola Basic v Aljaz Jeran | 5-7,3-6 |
| ITF M25 Zlatibor | 2023/09/28 11:05 | Marko Topo v Nikola Basic | 6-1,6-4 |
| ITF M25 Zlatibor | 2023/09/27 10:20 | Nikola Basic v Aleksandar Mihailovic | 6-4,7-6 |
| ITF M25 Zlatibor | 2023/09/27 07:00 | Nikola Basic v Nikola Kijac | 6-2,6-3 |
| ITF M25 Zlatibor | 2023/09/26 09:30 | Nikola Basic v Jacques-Kai Inoue | 6-3,6-0 |
| ITF M25 Maribor | 2023/09/08 08:00 | Juan Bautista Torres v Nikola Basic | 4-6,6-0,6-2 |