Round: 62 Ground: Clay
| ITF Germany F9 | 2017/07/31 09:00 | Roy Sarut De Valk v Gijs Buntsma | 2-6,6-2,6-2 |
| ITF Germany F9 | 2017/07/30 13:30 | Roy Sarut De Valk v Mikhail Minakov | 6-0,6-0 |
| ITF Netherlands F2 | 2017/06/27 09:50 | Roy Sarut De Valk v Maxime Chazal | 2-6,1-6 |
| ITF Netherlands F1 | 2017/06/19 08:00 | Maikel Borg v Roy Sarut De Valk | 6-4,6-4 |
| ITF Spain F11 | 2017/04/22 13:00 | Roy Sarut De Valk v Jason Kubler | 2-6,3-6 |
| ITF Bahrain F2 Qual | 2017/03/26 15:35 | Roy Sarut De Valk v Saida'lo Saidkarimov | 6-7,6-0,4-6 |
| ITF Bahrain F2 Qual | 2017/03/25 09:15 | Roy Sarut De Valk v Eric Lavaud | 6-1,6-2 |
| ITF Bahrain F1 | 2017/03/21 08:00 | Tallon Griekspoor v Roy Sarut De Valk | 6-2,6-4 |
| 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 |