Stadion: Court 1 Round: 25 Ground: Clay
| ITF - M15 - Eupen | 2023/08/08 14:00 | Stijn Slump v Felix Mischker | 6-3,6-1 |
| ITF - M15 - Eupen | 2023/08/08 08:00 | Stijn Slump v Leon Formella | 6-4,6-2 |
| ITF - M15 - Xativa | 2023/08/01 15:30 | Stijn Slump v Facundo Juarez | 1-6,4-6 |
| ITF - M25 - Denia | 2023/07/26 13:25 | Dali Blanch v Stijn Slump | 6-4,7-5 |
| ITF - M25 - Denia | 2023/07/25 09:35 | Stijn Slump v Jorge Plans | 6-3,6-3 |
| ITF - M25 - Denia | 2023/07/24 14:30 | Stijn Slump v Albert Pedrico Kravtsov | 7-5,6-3 |
| ITF - M25 - Denia | 2023/07/23 09:00 | Stijn Slump v Ivan Zaytsev | 6-0,6-4 |
| Challenger - Amersfoort | 2023/07/16 09:00 | Mathys Erhard v Stijn Slump | 6-2,6-4 |
| ITF - M15 - Metzingen | 2023/07/26 14:55 | Daniel Paty v David Fix | 6-2,6-1 |
| Challenger - Karlsruhe | 2023/07/02 13:50 | Denis Yevseyev v David Fix | 6-3,6-3 |
| ITF - M15 - Kamen | 2023/06/27 10:45 | Jeremy Jahn v David Fix | 6-2,6-4 |
| ITF - M15 - Saarlouis | 2023/06/21 13:20 | David Fix v Guy Den Heijer | 6-4,6-7,2-6 |
| Challenger - Ismaning | 2022/10/09 16:45 | Kacper Zuk v David Fix | 6-1,6-3 |
| ITF - M15 - Überlingen | 2022/08/16 14:05 | David Fix v Christoph Negritu | 3-6,3-6 |
| ITF - M15 - Oberhaching | 2022/02/13 08:00 | David Fix v Yannick Wunderlich | 6-3,5-7,7-10 |
| ITF - M25 - Überlingen | 2021/08/18 11:20 | David Fix v Fabrizio Ornago | 2-6,2-6 |