Stadium: Court 6 Round: 25 Ground: Clay
| ITF Germany F8 Qual | 2017/07/17 13:00 | Nico Mertens v Matthew Dellavedova | 6-1,2-6,2-6 |
| ITF Germany F8 Qual | 2017/07/16 08:00 | Nico Mertens v James Markiewicz | 2-6,6-3,6-4 |
| ITF Belgium F1 | 2017/06/22 16:00 | Clement Geens v Nico Mertens | 7-5,6-4 |
| ITF Belgium F1 | 2017/06/20 14:10 | Nico Mertens v Antoine Damiens | 7-5,6-4 |
| ITF Belgium F1 Qual | 2017/06/19 10:20 | Nico Mertens v Buvaysar Gadamauri | 6-1,7-6 |
| ITF Belgium F1 Qual | 2017/06/18 13:10 | Alessandro Ricci v Nico Mertens | 1-6,1-6 |
| ITF Belgium F1 Qual | 2017/06/17 14:20 | Nico Mertens v Maxime Vandendooren | 6-2,6-2 |
| ITF Germany F5 | 2015/06/29 11:00 | David Simunek v Nico Mertens | 6-1,6-1 |
| ITF Netherlands F4 | 2017/07/14 16:20 | Ricardo Hocevar v Stephan Fransen | 6-7,6-2,7-5 |
| ITF Netherlands F4 | 2017/07/13 09:00 | Stephan Fransen v Bart Stevens | 6-4,6-3 |
| ITF Netherlands F4 | 2017/07/11 10:05 | Francois-Arthur Vibert v Stephan Fransen | 5-7,5-7 |
| ITF Netherlands F4 | 2017/07/08 08:00 | Stephan Fransen v Johan Jonhagen | 6-1,6-0 |
| ITF Spain F11 | 2017/04/22 13:00 | Stephan Fransen v Floris Van Den Brink | 2-6,4-6 |
| Challenger Casablanca | 2015/10/11 11:30 | Maxime Hamou v Stephan Fransen | 6-1,6-2 |
| ITF Romania F15 | 2015/09/05 08:00 | Stephan Fransen v Teodor-Dacian Craciun | 3-6,5-7 |
| ITF Romania F15 | 2015/09/04 10:30 | Alessandro Luisi v Stephan Fransen | 5-7,7-5,4-6 |