Ground: Clay
| Challenger Monterrey - MP | 2018/10/07 19:00 | Paes/R-Valera v Arevalo/Nedun'yan | 1-6,4-6 |
| Challenger Monterrey - MP | 2018/10/05 22:00 | Arevalo/Nedun'yan v Begemann/Polasek | 6-3,7-6 |
| Challenger Monterrey - MP | 2018/10/04 20:00 | Lorenzi/Martinez v Arevalo/Nedun'yan | 3-6,4-6 |
| Challenger Monterrey - MP | 2018/10/03 21:10 | M-Maceiras/Vervoort v Arevalo/Nedun'yan | 2-6,6-7 |