Round: 44 Ground: Clay
| ITF Tunisia F11 | 2018/03/19 08:30 | Nico Mertens v Jordi Munoz-Abreu | 1-6,3-6 |
| ITF Tunisia F11 | 2018/03/18 10:30 | Nico Mertens v Stefano Battaglino | 7-6,6-1 |
| ITF Tunisia F11 | 2018/03/17 08:00 | Nico Mertens v Miles Jones | 3-6,6-2,6-3 |
| ITF Tunisia F10 | 2018/03/15 11:20 | Nico Mertens v Mariano Kestelboim | 4-6,2-6 |
| ITF Tunisia F10 | 2018/03/13 10:35 | Anze Arh v Nico Mertens | 2-6,6-7 |
| ITF Tunisia F10 | 2018/03/12 08:30 | Nico Mertens v Miles Jones | 6-3,6-3 |
| ITF Tunisia F10 | 2018/03/11 10:30 | Nico Mertens v Simohamed Hirs | 6-2,6-2 |
| ITF Turkey F8 | 2018/02/24 09:30 | Marko Miladinovic v Nico Mertens | 6-2,6-0 |
| ITF Czech Republic F2 Qual | 2018/05/19 08:00 | Michael Paty v Radek Cyprich | 2-6,2-6 |