Stadium: ourt 4C Round: 26 Ground: Clay
| Tunisia F10, Singles Qualifying | 2018/03/13 10:35 | Arh, Anze v Mertens, Nico | 2-6,6-7 |
| Tunisia F10, Singles Qualifying | 2018/03/12 08:30 | Mertens, Nico v Miles Jones | 6-3,6-3 |
| Tunisia F10, Singles Qualifying | 2018/03/11 10:30 | Mertens, Nico v Hirs, Simohamed | 6-2,6-2 |
| Turkey F8, Singles Qualifying | 2018/02/24 09:30 | Miladinovic, Marko v Mertens, Nico | 6-2,6-0 |
| ITF Turkey F7 | 2018/02/18 12:30 | Collin Altamirano v Mertens, Nico | 6-3,6-0 |
| ITF Turkey F7 | 2018/02/18 06:30 | Mertens, Nico v Masala, Matteo | 6-1,6-1 |
| Spain F4, Singles Qualifying | 2018/02/03 13:30 | Cheruku, Vasisht v Mertens, Nico | 6-2,6-3 |
| ITF Spain F3 | 2018/01/30 09:00 | Oleg Prihodko v Mertens, Nico | 7-6,4-6,6-2 |
| Tunisia F10, Singles Qualifying | 2018/03/14 12:45 | Stefanini, Jacopo v Mariano Kestelboim | 4-6,0-6 |
| ITF Tunisia F8 | 2018/03/02 08:30 | Mariano Kestelboim v Wang, Tak Khunn | 1-6,3-6 |
| ITF Tunisia F8 | 2018/03/01 10:10 | Mariano Kestelboim v Butler, Samm | 6-3,6-1 |
| ITF Tunisia F8 | 2018/02/27 09:00 | Mariano Kestelboim v Filip Duda | 2-6,7-5,6-3 |
| ITF Tunisia F7 | 2018/02/23 09:30 | Matteo Martineau v Mariano Kestelboim | 5-7,6-0,7-6 |
| ITF Tunisia F7 | 2018/02/22 10:45 | Arreche, Nicolas Alberto v Mariano Kestelboim | 7-5,6-7,0-6 |
| ITF Tunisia F7 | 2018/02/20 14:10 | Butler, Samm v Mariano Kestelboim | 4-6,2-6 |
| Tunisia F6, Singles Qualifying | 2018/02/15 10:55 | Mariano Kestelboim v Ghorbel, Anis | 2-6,2-6 |