Stadium: Court 3 Round: 27 Ground: Hardcourt indoor
| ITF M25 Esch/Alzette | 2023/07/13 10:00 | Alexander Blockx v Niels Visker | 6-7,6-4,6-4 |
| ITF M25 Esch/Alzette | 2023/07/11 10:20 | Simon Beaupain v Alexander Blockx | 2-6,2-6 |
| ITF M25 Arlon | 2023/06/29 10:15 | Alexander Blockx v Henri Squire | 3-6,2-6 |
| ITF M25 Arlon | 2023/06/28 16:00 | Alexander Blockx v Charlelie Cosnet | 6-7,7-5,6-3 |
| ITF M15 Warmbad-Villach | 2023/05/24 07:30 | Liam Gavrielides v Alexander Blockx | 6-4,6-2 |
| ITF M15 Kalmar | 2023/05/20 10:30 | Alexander Blockx v Max Dahlin | 2-6,6-3,4-6 |
| ITF M15 Kalmar | 2023/05/19 08:15 | Alexander Blockx v Jonathan Mridha | 7-5,3-6,6-1 |
| ITF M15 Kalmar | 2023/05/18 10:25 | Karl Friberg v Alexander Blockx | 4-6,4-6 |
| ITF M25 Esch/Alzette | 2023/07/13 10:00 | Kai Wehnelt v Alex Knaff | 6-7,7-6,7-6 |
| ITF M25 Esch/Alzette | 2023/07/12 09:45 | Stijn Slump v Kai Wehnelt | 1-6,6-3,3-6 |
| ITF M25 The Hague | 2023/07/05 14:05 | Kai Wehnelt v Sander Jong | 1-6,2-6 |
| Challenger Poznan | 2023/06/19 09:00 | Rudolf Molleker v Kai Wehnelt | 6-4,6-4 |
| Challenger Poznan | 2023/06/18 08:30 | Kai Wehnelt v Kalin Ivanovski | 6-3,3-6,6-3 |
| ITF M15 Nyiregyhaza | 2023/06/07 08:00 | Peter Nad v Kai Wehnelt | 6-4,1-6,6-3 |
| ITF M25 Reggio Emilia | 2023/05/19 09:00 | Julian Ocleppo v Kai Wehnelt | 6-4,3-6,6-2 |
| ITF M25 Reggio Emilia | 2023/05/17 10:00 | Gian Marco Ortenzi v Kai Wehnelt | 0-6,2-6 |