Results
| Challenger Hamburg | 10/22 09:40 | 25 | Justin Engel v Sander Jong | 7-6,7-6 | |
| Challenger Hamburg | 10/20 12:40 | 19 | Niklas Guttau v Sander Jong | 2-6,1-6 | |
| Challenger Hamburg | 10/19 17:25 | 14 |
Sander Jong v
Daniel Masur
|
7-5,6-3 | |
| Challenger Tampere | 07/21 09:35 | 14 | Rafael Ymer v Sander Jong | Walkover | |
| ITF M25 Duffel | 06/20 10:00 | 26 |
Sander Jong v
Gilles Arnaud Bailly
|
2-6,4-6 | |
| ITF M25 Duffel | 06/19 10:30 | 25 | Sander Jong v Income Tax RC | 6-1,6-0 | |
| ITF M25 Deauville | 05/25 09:00 | 28 | [458] Raphael Collignon v Sander Jong [330] | 6-2,6-2 | |
| ITF M25 Deauville | 05/24 09:00 | 27 | [330] Sander Jong v Corentin Denolly [359] | 7-5,6-3 | |
| ITF M25 Deauville | 05/23 08:50 | 26 | Sander Jong v Marc Antoine Gaillard | 6-4,6-1 | |
| ITF M25 Deauville | 05/22 10:25 | 25 | Sander Jong v Adam Briant | 6-2,6-4 | |
| ITF M15 Prijedor | 05/19 09:00 | 29 | Pawel Juszczak v Sander Jong | 1-6,7-5,3-6 | |
| ITF M15 Prijedor | 05/18 09:00 | 28 | Sebastian Sorger v Sander Jong | 3-6,6-3,3-6 |
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