Stadium: Cancha 2 Round: 46 Ground: Clay
| Challenger Montevideo | 2018/11/03 16:00 | Tomas Lipovsek Puches v Gonzalo Lama | 6-3,7-6 |
| Challenger Guayaquil | 2018/10/27 16:00 | Tomas Lipovsek Puches v Federico Coria | 4-6,3-6 |
| Challenger Santo Domingo | 2018/10/06 15:20 | Juan Pablo Ficovich v Tomas Lipovsek Puches | 7-6,6-2 |
| Challenger Campinas | 2018/09/30 13:00 | Oscar Jose Gutierrez v Tomas Lipovsek Puches | 6-7,6-3,6-2 |
| Challenger Campinas | 2018/09/29 13:00 | Tomas Lipovsek Puches v Gabriel Ciro Da Silva | 6-4,6-4 |
| Challenger Banja Luka | 2018/09/09 10:50 | Juan Pablo Varillas v Tomas Lipovsek Puches | 6-0,7-6 |
| Challenger Banja Luka | 2018/09/08 12:20 | Tomas Lipovsek Puches v Artem Dubrivnyy | 3-6,7-5,6-0 |
| Challenger Genova | 2018/09/02 10:30 | Tomas Lipovsek Puches v Federico Coria | 6-4,2-6,1-6 |
| Challenger Montevideo | 2018/11/03 17:30 | Emiliano Troche v Ulises Blanch | 4-6,2-6 |
| Challenger Guayaquil | 2018/10/31 16:00 | Ulises Blanch v Facundo Arguello | 4-6,1-6 |
| 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 |