Stadium: Court 3 Round: 25 Ground: Clay
| ITF - Kottingbrunn M15 | 2023/08/17 09:35 | Neil Oberleitner v Yannik Kelm | 6-4,7-6 |
| ITF - Kottingbrunn M15 | 2023/08/16 10:00 | Dominik Kellovsky v Yannik Kelm | 6-7,3-6 |
| ITF - Frankfurt Am Main M15 | 2023/08/10 15:00 | Yannik Kelm v Florian Broska | 4-6,6-4,2-6 |
| ITF - Frankfurt Am Main M15 | 2023/08/09 12:00 | Taym Alazmeh v Yannik Kelm | 6-7,6-3,1-6 |
| ITF - Metzingen M15 | 2023/07/27 11:00 | Stefan Popovic v Yannik Kelm | 6-4,4-6,6-2 |
| ITF - Metzingen M15 | 2023/07/26 11:00 | Leopold Zima v Yannik Kelm | 5-7,6-2,1-6 |
| ITF - Monastir M15 | 2023/07/12 10:25 | Yassine Smiej v Yannik Kelm | 6-4,7-5 |
| ITF - Marburg M25 | 2023/07/04 16:40 | Timo Stodder v Yannik Kelm | 6-2,6-4 |
| ITF - Koksijde M25 | 2023/08/16 15:30 | Guy Den Ouden v Alexander Blockx | 6-2,6-2 |
| ITF - Koksijde M25 | 2023/08/14 15:40 | Dax Donders v Alexander Blockx | 2-6,2-6 |
| ITF - Gubbio M15 | 2023/07/19 10:20 | Daniele Minighini v Alexander Blockx | 6-7,2-6 |
| ITF - Esch/Alzette M25 | 2023/07/15 09:55 | Nikolas Sanchez Izquierdo v Alexander Blockx | 4-6,7-6,6-4 |
| ITF - Esch/Alzette M25 | 2023/07/14 10:00 | Alexander Blockx v Kai Wehnelt | 3-6,7-5,6-1 |
| ITF - Esch/Alzette M25 | 2023/07/13 10:00 | Alexander Blockx v Niels Visker | 6-7,6-4,6-4 |
| ITF - Esch/Alzette M25 | 2023/07/11 10:20 | Simon Beaupain v Alexander Blockx | 2-6,2-6 |
| ITF - Arlon M25 | 2023/06/29 10:15 | Alexander Blockx v Henri Squire | 3-6,2-6 |