Stadium: Cancha 1 Round: 28 Ground: Hardcourt outdoor
| 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 Monterrey MD | 2018/10/05 00:45 | Begemann/Polasek v Granollers/Granollers | 6-4,3-6,10-3 |
| Challenger Monterrey MD | 2018/10/02 22:10 | Begemann/Polasek v Escobar/Galdos | 6-3,7-5 |