Stadium: Court 7 Round: 26 Ground: Clay
| ITF Peru F1 | 2018/09/25 15:00 | Nicolas Alberto Arreche v Julian Gimenez | 6-3,6-1 |
| ITF Argentina F6 | 2018/09/18 18:25 | Juan Ignacio Galarza v Nicolas Alberto Arreche | 6-3,6-3 |
| ITF Spain F21 | 2018/08/03 16:25 | Nicolas Alberto Arreche v Marc Giner | 5-7,2-6 |
| ITF Spain F21 | 2018/08/02 16:15 | Nicolas Alberto Arreche v Sebastian Baez | 6-4,6-2 |
| ITF Belgium F5 | 2018/07/25 08:00 | Nicolas Alberto Arreche v Luca Prevosto | 4-6,6-3,6-7 |
| ITF Belgium F5 | 2018/07/24 08:00 | Nicolas Alberto Arreche v Flemming Peters | 4-6,6-2,6-2 |
| ITF Georgia F2 | 2018/07/19 06:00 | Nicolas Alberto Arreche v Artem Dubrivnyy | 6-7,4-6 |
| ITF Georgia F2 | 2018/07/18 06:00 | Nicolas Alberto Arreche v Vadim Alekseenko | 6-4,6-2 |
| ITF Peru F1 | 2018/09/25 15:00 | Andre Ku Meza v Alan Postay | 6-3,1-6,6-7 |
| ITF Peru F1 | 2018/09/23 15:30 | Alan Postay v Joao Ferreira | 4-6,3-6 |
| ITF Peru F1 | 2018/09/22 14:30 | Cristopher Kohl v Alan Postay | 1-6,1-6 |
| ITF Argentina F6 | 2018/09/17 13:00 | Andres Gabriel Ciurletti v Alan Postay | 6-2,6-3 |
| ITF Argentina F6 | 2018/09/16 15:15 | Francisco Aranguren v Alan Postay | 2-6,2-6 |
| ITF Argentina F6 | 2018/09/15 14:00 | Alan Postay v Ryusei Makiguchi | 6-1,7-6 |
| ITF Argentina F5 | 2018/09/10 12:00 | Julian Gimenez v Alan Postay | 6-4,7-5 |
| ITF Argentina F4 | 2018/09/03 12:00 | Mateo Galdon v Alan Postay | 6-4,7-5 |