Estadio: Court 6 Round: 25 Ground: Clay
| ITF M15 Forbach | 2023/09/30 13:15 | Tom Gentzsch v Hamish Stewart | 6-7,6-7 |
| ITF M15 Forbach | 2023/09/29 13:30 | Volodymyr Iakubenko v Tom Gentzsch | 7-6,6-7,6-7 |
| ITF M15 Forbach | 2023/09/28 16:00 | Boris Fassbender v Tom Gentzsch | 6-7,6-7 |
| ITF M15 Forbach | 2023/09/27 08:00 | Niklas Schell v Tom Gentzsch | 6-7,6-7 |
| ITF M15 Buschhausen | 2023/09/14 11:45 | Marc Majdandzic v Tom Gentzsch | 3-6,6-4,6-4 |
| ITF M15 Buschhausen | 2023/09/13 14:45 | Jakob Schnaitter v Tom Gentzsch | 4-6,6-4,3-6 |
| ITF M15 Koszalin | 2023/09/08 15:00 | Dominik Kellovsky v Tom Gentzsch | 6-2,5-7,6-4 |
| ITF M15 Koszalin | 2023/09/07 16:00 | Oskar Grzegorzewski v Tom Gentzsch | 3-6,5-7 |
| ITF M15 Bad Waltersdorf | 2023/10/02 08:00 | Michael Agwi v Nik Mikovic | 1-6,3-6 |
| ITF M25 Maribor | 2023/08/30 14:00 | Raphael Calzi v Nik Mikovic | 6-4,4-6,6-3 |
| ITF M15 Novi Sad | 2023/07/23 13:00 | Bautista Vilicich v Nik Mikovic | 6-3,6-3 |
| ITF M25 Biella | 2023/07/05 09:00 | Nik Mikovic v Lorenzo Carboni | 3-6,4-6 |
| ITF M25 Biella | 2023/07/04 15:55 | Federico Campana v Nik Mikovic | 6-7,6-3,5-7 |
| ITF M25 Biella | 2023/07/03 14:00 | Stefano D'Agostino v Nik Mikovic | 3-6,2-6 |
| ITF M15 Celje | 2023/06/26 14:00 | Nik Mikovic v Timofey Stepanov | 2-6,2-6 |
| ITF M15 Store | 2023/06/19 12:30 | Dennis Dragomirov v Nik Mikovic | 6-3,6-1 |