Stadium: Cancha 1 Round: 26 Ground: Clay
| ITF Chile F2 | 2018/11/20 22:45 | Juan Ignacio Galarza v Bastian Malla | 6-3,4-6,4-6 |
| Challenger Buenos Aires | 2018/11/16 19:00 | Bastian Malla v Dimitar Kuzmanov | 4-6,2-6 |
| Challenger Buenos Aires | 2018/11/14 21:45 | Bastian Malla v Daniel Gimeno-Traver | 6-2,6-4 |
| Challenger Buenos Aires | 2018/11/13 22:50 | Guido Andreozzi v Bastian Malla | 6-7,4-6 |
| Challenger Buenos Aires | 2018/11/12 16:30 | Bastian Malla v Juan Ignacio Galarza | 6-4,2-6,6-2 |
| Challenger Buenos Aires | 2018/11/11 22:00 | Ulises Blanch v Bastian Malla | 3-6,4-6 |
| 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 |
| ITF Chile F2 | 2018/11/20 16:00 | Fermin Tenti v Juan Bautista Otegui | 4-6,3-6 |
| ITF Argentina F7 | 2018/10/31 20:45 | Juan Bautista Otegui v Maximiliano Estevez | 7-5,5-7,3-6 |
| ITF Argentina F7 | 2018/10/30 20:30 | Juan Bautista Otegui v Alejo Vilaro | 6-4,6-4 |
| ITF Romania F13 | 2018/09/15 08:00 | Juan Bautista Otegui v Kirill Kivattsev | 6-7,5-7 |
| ITF Romania F13 | 2018/09/14 08:35 | Gabriel Alejandro Hidalgo v Juan Bautista Otegui | 2-6,6-3,6-7 |
| ITF Romania F13 | 2018/09/13 06:30 | Alexandru Vasile Manole v Juan Bautista Otegui | 4-6,3-6 |
| ITF Romania F13 | 2018/09/12 09:00 | Juan Bautista Otegui v Bogdan Borza | 7-5,6-3 |
| ITF Belgium F10 | 2018/08/30 11:45 | Juan Bautista Otegui v Michael Geerts | 2-6,6-3,6-7 |