Stadium: Cancha 8 Round: 54 Ground: Clay
| Challenger Buenos Aires | 2018/11/11 23:25 | Carlos Taberner v Manuel Pena Lopez | 1-6,1-6 |
| Challenger Buenos Aires | 2018/11/11 16:45 | Manuel Pena Lopez v Tomas Martin Etcheverry | 6-3,3-6,7-6 |
| ITF Argentina F8 | 2018/11/07 17:00 | Manuel Pena Lopez v Facundo Mena | 4-6,4-6 |
| ITF Argentina F8 | 2018/11/06 13:00 | Manuel Pena Lopez v Alejo Lorenzo Lingua Lavallen | 6-3,6-3 |
| ITF Argentina F7 | 2018/11/03 19:00 | Hernan Casanova v Manuel Pena Lopez | 6-4,7-5 |
| ITF Argentina F7 | 2018/11/02 18:30 | Manuel Pena Lopez v Maximiliano Estevez | 2-6,6-1,6-3 |
| ITF Argentina F7 | 2018/10/31 19:00 | Gabriel Alejandro Hidalgo v Manuel Pena Lopez | 6-4,3-6,1-6 |
| ITF Argentina F7 | 2018/10/30 18:25 | Ezequiel A Santalla v Manuel Pena Lopez | 3-6,3-6 |
| Challenger Buenos Aires | 2018/11/11 20:15 | Pedro Sakamoto v Gonzalo Villanueva | 5-7,6-4,2-6 |
| Challenger Montevideo | 2018/11/05 16:00 | Gonzalo Villanueva v Federico Coria | 5-7,1-6 |
| Challenger Montevideo | 2018/11/04 16:30 | Dragos Dima v Gonzalo Villanueva | 2-6,2-6 |
| Challenger Montevideo | 2018/11/03 14:30 | Nicolas Alvarez v Gonzalo Villanueva | 2-6,0-6 |
| Challenger Lima | 2018/10/21 15:00 | Bastian Malla v Gonzalo Villanueva | 7-5,6-2 |
| Challenger Lima | 2018/10/20 16:35 | Thiago Seyboth Wild v Gonzalo Villanueva | 4-6,6-4,0-6 |
| ITF Peru F3 | 2018/10/12 16:00 | Gonzalo Villanueva v Mariano Kestelboim | 5-7,7-6,3-6 |
| ITF Peru F3 | 2018/10/11 15:00 | Gonzalo Villanueva v Guido Ivan Justo | 6-0,6-0 |