Stadium: Central Round: 46 Ground: Clay
| Challenger Montevideo | 2018/11/05 17:45 | Juan Ignacio Galarza v Ulises Blanch | 6-3,2-6,6-4 |
| Challenger Montevideo | 2018/11/04 14:45 | Tomas Lipovsek Puches v Ulises Blanch | 3-6,2-6 |
| 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 Buenos Aires | 2018/11/11 17:00 | Bastian Malla v Nicolas Alvarez | 1-6,7-5,6-0 |
| Challenger Montevideo | 2018/11/04 17:50 | Juan Ignacio Galarza v Bastian Malla | 2-6,7-6,6-1 |
| Challenger Montevideo | 2018/11/03 17:40 | Bastian Malla v Franco Agamenone | 7-5,6-3 |
| Challenger Lima | 2018/10/22 15:00 | Renzo Olivo v Bastian Malla | 6-3,1-6,7-6 |
| Challenger Lima | 2018/10/21 15:00 | Bastian Malla v Gonzalo Villanueva | 7-5,6-2 |
| Challenger Lima | 2018/10/20 16:45 | Bastian Malla v Felipe Mantilla | 6-2,6-4 |
| ITF Peru F3 | 2018/10/14 16:00 | Bastian Malla v Tomas Martin Etcheverry | 6-3,6-1 |
| ITF Peru F3 | 2018/10/13 15:30 | Mariano Kestelboim v Bastian Malla | 4-6,3-6 |