Stadium: Cancha 1 Round: 26 Ground: Clay
| ITF Chile F2 | 2018/11/20 22:45 | Galarza, Juan Ignacio v Malla, Bastian | 6-3,4-6,4-6 |
| Challenger - Buenos Aires | 2018/11/16 19:00 | Malla, Bastian v Dimitar Kuzmanov | 4-6,2-6 |
| Challenger - Buenos Aires | 2018/11/14 21:45 | Malla, Bastian v Gimeno-Traver, Daniel | 6-2,6-4 |
| Challenger - Buenos Aires | 2018/11/13 22:50 | Guido Andreozzi v Malla, Bastian | 6-7,4-6 |
| Challenger - Buenos Aires | 2018/11/12 16:30 | Malla, Bastian v Galarza, Juan Ignacio | 6-4,2-6,6-2 |
| Challenger - Buenos Aires | 2018/11/11 22:00 | Ulises Blanch v Malla, Bastian | 3-6,4-6 |
| Challenger - Buenos Aires | 2018/11/11 17:00 | Malla, Bastian v Nicolas Alvarez | 1-6,7-5,6-0 |
| Montevideo, Uruguay | 2018/11/04 17:50 | Galarza, Juan Ignacio v Malla, Bastian | 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 Estevez Maximiliano | 7-5,5-7,3-6 |
| ITF Argentina F7 | 2018/10/30 20:30 | Juan Bautista Otegui v Vilaro, Alejo | 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 | Hidalgo, Gabriel Alejandro v Juan Bautista Otegui | 2-6,6-3,6-7 |
| ITF Romania F13 | 2018/09/13 06:30 | Manole, Alexandru Vasile v Juan Bautista Otegui | 4-6,3-6 |
| ITF Romania F13 | 2018/09/12 09:00 | Juan Bautista Otegui v Borza, Bogdan | 7-5,6-3 |
| ITF Belgium F10 | 2018/08/30 11:45 | Juan Bautista Otegui v Michael Geerts | 2-6,6-3,6-7 |