Stadium: Cancha Raul Viver Round: 26 Ground: Clay
| Challenger Guayaquil | 2018/10/30 19:20 | Ulises Blanch v Facundo Bagnis | 7-5,6-4 |
| Challenger Guayaquil | 2018/10/29 15:30 | Martin Cuevas v Ulises Blanch | 6-2,6-3 |
| Challenger Guayaquil | 2018/10/28 17:20 | Tomas Martin Etcheverry v Ulises Blanch | 6-7,3-6 |
| Challenger Guayaquil | 2018/10/27 20:10 | Raybin Lee Chan v Ulises Blanch | 0-6,0-6 |
| Challenger Lima | 2018/10/20 15:00 | Conner Huertas Del Pino v Ulises Blanch | 6-3,5-7,7-5 |
| Challenger Santo Domingo | 2018/10/08 15:00 | Alejandro Gomez v Ulises Blanch | 4-6,7-6,6-4 |
| Challenger Santo Domingo | 2018/10/07 14:00 | Ivan Endara v Ulises Blanch | 1-6,6-7 |
| Challenger Campinas | 2018/10/04 17:20 | Ulises Blanch v Martin Cuevas | 3-6,6-7 |
| Challenger Guayaquil | 2018/10/30 15:30 | Facundo Arguello v Guilherme Clezar | 4-6,6-2,6-1 |
| Challenger Lima | 2018/10/26 21:00 | Pedro Sousa v Facundo Arguello | 7-6,6-3 |
| Challenger Lima | 2018/10/25 17:00 | Jose Hernandez-Fernandez v Facundo Arguello | 1-6,2-6 |
| Challenger Lima | 2018/10/24 19:20 | Facundo Arguello v Paolo Lorenzi | 6-4,7-6 |
| Challenger Lima | 2018/10/23 17:20 | Juan Pablo Varillas v Facundo Arguello | 4-6,1-6 |
| Challenger Santo Domingo | 2018/10/07 14:00 | Facundo Arguello v Alejandro Gomez | 3-6,6-1,3-6 |
| Challenger Campinas | 2018/10/02 13:00 | Alejandro Gonzalez v Facundo Arguello | 6-3,7-6 |
| Challenger Biella | 2018/09/21 09:00 | Facundo Arguello v Federico Delbonis | 2-6,4-6 |