Stadium: Court 2 Round: 25 Ground: Clay
| ITF M15 Uslar | 2023/07/21 11:25 | Sebastian Prechtel v John Sperle | 6-3,6-1 |
| ITF M15 Uslar | 2023/07/19 17:15 | Dominik Boehler v John Sperle | 1-6,6-4,4-6 |
| ITF M15 Uslar | 2023/07/17 15:45 | John Sperle v Noel Larwig | 6-2,6-2 |
| ITF M15 Uslar | 2023/07/17 10:30 | John Sperle v Lukas Janousek | 6-0,6-4 |
| ITF M25 Arlon | 2023/06/28 08:00 | Louis Wessels v John Sperle | 6-1,5-7,6-3 |
| ITF M25 Arlon | 2023/06/27 08:00 | John Sperle v Leonardo Mileikowsky | 6-2,6-1 |
| ITF M25 Arlon | 2023/06/26 08:00 | John Sperle v Ilian Borlee | 6-0,6-1 |
| ITF M15 Saarlouis | 2023/06/19 13:00 | John Sperle v Adam Heinonen | 2-6,6-1,2-10 |
| Challenger Amersfoort | 2023/07/17 16:45 | Rudolf Molleker v Sander Jong | 6-4,7-6 |
| ITF M25 The Hague | 2023/07/07 12:35 | Sander Jong v Deney Wassermann | 3-6,6-7 |
| ITF M25 The Hague | 2023/07/06 16:10 | Jakub Wojcik v Sander Jong | 6-7,2-6 |
| ITF M25 The Hague | 2023/07/05 14:05 | Kai Wehnelt v Sander Jong | 1-6,2-6 |
| ITF M15 Alkmaar | 2023/07/02 12:10 | Elmer Moller v Sander Jong | 4-6,3-6 |
| ITF M15 Alkmaar | 2023/07/01 11:50 | Luke Simkiss v Sander Jong | 4-6,1-6 |
| ITF M15 Alkmaar | 2023/06/30 12:05 | Ryan Nijboer v Sander Jong | 3-6,4-6 |
| ITF M15 Alkmaar | 2023/06/27 11:10 | Sander Jong v Matthew Dellavedova | 6-4,6-2 |