Stadium: Cancha 7 Round: 27 Ground: Clay
| Challenger Santo Domingo MD | 2018/10/11 16:55 | Arevalo/Nedun'yan v Olivares/Rodriguez | 6-3,7-6 |
| Challenger Santo Domingo MD | 2018/10/11 00:30 | Arevalo/Nedun'yan v Olivares/Rodriguez | 6-3,6-6 |
| Challenger Monterrey MD | 2018/10/07 19:00 | Paes/R-Valera v Arevalo/Nedun'yan | 1-6,4-6 |
| Challenger Monterrey MD | 2018/10/05 22:00 | Arevalo/Nedun'yan v Begemann/Polasek | 6-3,7-6 |
| Challenger Monterrey MD | 2018/10/04 20:00 | Lorenzi/Martinez v Arevalo/Nedun'yan | 3-6,4-6 |
| Challenger Monterrey MD | 2018/10/03 21:10 | M-Maceiras/Vervoort v Arevalo/Nedun'yan | 2-6,6-7 |
| Challenger Santo Domingo MD | 2018/10/08 21:00 | Dutra Silva/Lorenzi v Behar/Quiroz | 2-6,6-4,5-10 |
| Challenger Monterrey MD | 2018/10/05 02:25 | Paes/R-Valera v Behar/Quiroz | 6-7,6-4,10-5 |
| Challenger Monterrey MD | 2018/10/02 00:50 | Behar/Quiroz v Melzer/Melzer | 6-4,4-6,11-9 |