Round: 26 Ground: Clay
| ITF Belgium F1 | 2017/06/20 13:10 | Clement Geens v Scott Puodziunas | 7-6,6-3 |
| ITF Tunisia F21 | 2017/06/02 09:00 | Clement Geens v Cristian Rodriguez | 3-6,4-6 |
| ITF Tunisia F21 | 2017/06/01 13:30 | Clement Geens v Alafia Ayeni | 7-5,6-1 |
| ITF Tunisia F21 | 2017/05/31 10:35 | Clement Geens v Gianluca Acquaroli | 7-5,6-3 |
| Challenger - Shymkent | 2017/05/25 05:00 | Clement Geens v Ricardas Berankis | 1-6,2-6 |
| Challenger - Shymkent | 2017/05/24 05:00 | Clement Geens v Marc Giner | 6-3,6-2 |
| Challenger - Shymkent | 2017/05/23 09:15 | Konstantin Kravchuk v Clement Geens | 3-6,3-6 |
| Challenger Samarkand | 2017/05/16 09:00 | Clement Geens v Zdenek Kolar | 4-6,3-6 |
| 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 Germany F5 | 2015/06/28 08:00 | Nico Mertens v Oliver Mrose | 7-5,6-4 |
| ITF Germany F5 | 2015/06/28 08:00 | Nico Mertens v Hendrik Maier | 6-4,6-0 |
| ITF Netherlands F5 | 2014/08/20 09:50 | Nico Mertens v Alban Meuffels | 3-6,0-6 |