Stadium: Cancha 1 Round: 27 Ground: Clay
| Challenger Montevideo MD | 2018/11/05 21:55 | Domingues/Elias v De Greef/Giustino | 3-6,6-1,10-7 |
| Challenger Guayaquil MD | 2018/10/31 18:30 | Behar/Molteni v Domingues/Elias | 2-6,6-4,5-10 |
| Challenger Guayaquil MD | 2018/10/30 22:50 | Bendeck/Rodriguez v Domingues/Elias | 6-7,3-6 |
| Challenger Montevideo MD | 2018/11/05 19:35 | Arus/Clezar v Bagnis/Molteni | 3-6,3-6 |