Round: 25 Ground: Clay
| ITF Belgium F3 | 2018/07/03 08:00 | Dimitriy Voronin v Nicolas Alberto Arreche | 2-6,6-3,6-4 |
| ITF Portugal F10 | 2018/06/27 10:30 | Jaime Fermosell v Nicolas Alberto Arreche | 6-2,6-1 |
| ITF France F10 | 2018/06/19 08:30 | Nicolas Alberto Arreche v Alen Avidzba | 1-6,2-6 |
| ITF Tunisia F21 | 2018/05/30 11:55 | Nicholas Horton v Nicolas Alberto Arreche | 4-6,6-2,6-3 |
| ITF Turkey F20 Qual | 2018/05/26 07:30 | Vullnet Tashi v Nicolas Alberto Arreche | 6-3,7-5 |
| ITF Turkey F20 | 2018/05/25 10:00 | Flemming Peters v Nicolas Alberto Arreche | 7-5,4-6,6-7 |
| ITF Turkey F20 Qual | 2018/05/24 09:15 | Luca Gelhardt v Nicolas Alberto Arreche | 3-6,3-6 |
| ITF Turkey F20 Qual | 2018/05/23 09:40 | Philipp Schroll v Nicolas Alberto Arreche | 6-3,3-6,4-6 |
| ITF Georgia F1 | 2018/07/09 10:00 | Vladimir Korolev v Daniele Catini | 1-6,4-6 |
| ITF Georgia F1 | 2018/07/08 11:00 | Daniele Catini v Shahin Khaledan | 7-5,4-6,7-5 |
| ITF Georgia F1 | 2018/07/07 11:00 | Daniele Catini v Artem Dacenko | 6-0,6-1 |
| ITF Tunisia F12 | 2018/03/24 10:00 | Daniele Catini v Jordi Munoz-Abreu | 2-6,4-6 |
| ITF Tunisia F11 | 2018/03/19 08:30 | Simone Roncalli v Daniele Catini | 6-1,6-1 |
| ITF Tunisia F11 | 2018/03/18 08:30 | Alexander Merino v Daniele Catini | 7-5,5-7,3-6 |
| ITF Tunisia F11 | 2018/03/17 08:00 | Daniele Catini v Darko Bojanovic | 6-3,6-4 |
| ITF Tunisia F10 | 2018/03/10 08:30 | Daniele Catini v Giovanni Calvano | 0-6,6-7 |