Stadium: Court 1 Round: 54 Ground: Hardcourt indoor
| ITF France F21 | 2017/09/25 11:50 | Benjamin Hassan v Mertens, Nico | 6-4,6-1 |
| ITF France F21 Qual | 2017/09/24 08:00 | Mertens, Nico v van Der Horst, Tim | 4-6,6-1,6-4 |
| ITF Belgium F12 | 2017/09/08 11:00 | Netuschil, Marvin v Mertens, Nico | 6-2,6-4 |
| ITF Belgium F12 | 2017/09/06 11:10 | Mertens, Nico v Desein, Niels | 6-1,1-6,7-6 |
| ITF Belgium F12 | 2017/09/05 11:45 | Mertens, Nico v Voronin, Dimitriy | 6-3,7-6 |
| ITF Belgium F12 Qual | 2017/09/04 09:00 | Johnson, Hunter v Mertens, Nico | 3-6,2-6 |
| ITF Belgium F12 Qual | 2017/09/03 08:00 | Aramburu, Aitor v Mertens, Nico | 0-6,3-6 |
| ITF Netherlands F7 | 2017/09/01 13:00 | Nick Chappell v Mertens, Nico | 6-2,6-4 |
| ITF France F22 | 2017/10/03 10:00 | Louis Dussin v Mina, Gianni | 4-6,2-6 |
| ITF France F22 Qual | 2017/10/01 12:35 | Hoeveler, Leon v Louis Dussin | 6-2,3-6,4-6 |
| ITF France F22 Qual | 2017/09/30 16:05 | Louis Dussin v Markiewicz, James | 6-3,6-3 |
| ITF Tunisia F27 | 2017/09/20 11:00 | Frederico Ferreira Silva v Louis Dussin | 6-0,6-0 |
| ITF Tunisia F27 | 2017/09/18 11:00 | Louis Dussin v Santalla, Ezequiel Agustin | 6-0,6-2 |
| ITF Tunisia F27 | 2017/09/17 11:00 | Colautti, Thomas v Louis Dussin | 6-7,4-6 |
| ITF Tunisia F27 | 2017/09/16 08:30 | Louis Dussin v Nusdeo, Joao Marcos | 6-2,6-1 |
| ITF Tunisia F26 | 2017/09/11 09:00 | Vibert, Francois Arthur v Louis Dussin | 4-6,6-3,6-2 |