Round: 25 Ground: Clay
| ITF Germany F9 | 2017/07/31 15:00 | Roy Sarut De Valk v Nico Mertens | 2-6,6-7 |
| 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 F6 | 2017/07/04 15:00 | Florian Fallert v Alexis Gautier | 2-6,5-7 |
| ITF Italy F19 | 2017/06/27 10:15 | Roberto Marcora v Florian Fallert | 6-4,6-4 |
| ITF Bosnia and Herzegovina F3 | 2017/06/07 09:00 | Roko Savin v Florian Fallert | 4-6,2-6 |
| ITF Czech Republic F2 | 2017/05/25 12:15 | Patrik Rikl v Florian Fallert | 7-5,5-7,4-6 |
| ITF Czech Republic F2 | 2017/05/24 13:05 | Florian Fallert v Adrian Obert | 7-6,3-6,6-4 |
| ITF Turkey F18 | 2017/05/11 08:35 | Gleb Sakharov v Florian Fallert | 6-4,6-3 |
| ITF Turkey F18 | 2017/05/10 09:40 | Manuel Pena Lopez v Florian Fallert | 4-6,4-6 |
| ITF Tunisia F17 | 2017/05/03 11:05 | Florian Fallert v Cristian Carli | 6-0,3-6,2-6 |