Stadium: Jaime Oncins Round: 26 Ground: Clay
| ITF Brazil F8 | 2018/11/05 15:35 | Asdrubal Gobernate v Javier Naser | 2-6,6-4,4-6 |
| ITF Brazil F8 | 2018/11/04 15:30 | Victor Bertoldo v Javier Naser | 4-6,2-6 |
| ITF Brazil F6 | 2018/10/22 14:40 | Enrique Bogo v Javier Naser | 6-2,6-2 |
| ITF Brazil F6 | 2018/10/21 15:30 | Karl W W Mac-Leay v Javier Naser | 7-6,3-6,0-6 |
| ITF Bolivia F3 | 2018/09/22 14:00 | Javier Naser v Sebastian Eguez | 3-6,5-7 |
| ITF Bolivia F2 | 2018/09/17 18:00 | Javier Naser v Miguel Fernando Pereira | 6-7,6-4,3-6 |
| ITF Bolivia F2 | 2018/09/15 13:30 | Manuel Barros v Javier Naser | 7-5,4-6,4-6 |
| ITF Bolivia F1 | 2018/09/12 19:30 | Javier Naser v Ignacio Carou | 6-7,6-4,0-6 |
| ITF Brazil F8 | 2018/11/06 16:20 | Enrique Bogo v Joao Lucas Reis da Silva | 7-5,1-6,2-6 |
| ITF Brazil F7 | 2018/11/03 13:00 | Felipe Meligeni Rodrigues Alves v Joao Lucas Reis da Silva | 7-6,7-6 |
| ITF Brazil F7 | 2018/11/02 13:00 | Matheus Pucinelli De Almeida v Joao Lucas Reis da Silva | 6-4,6-7,2-6 |
| ITF Brazil F7 | 2018/10/31 16:00 | Aaron Schmid v Joao Lucas Reis da Silva | 0-6,2-6 |
| ITF Brazil F7 | 2018/10/29 13:30 | Rafael Saraiva v Joao Lucas Reis da Silva | 6-7,3-6 |
| ITF Brazil F6 | 2018/10/22 16:40 | Joao Lucas Reis da Silva v Maximiliano Estevez | 5-7,1-6 |
| ITF Brazil F5 | 2018/10/19 16:10 | Daniel Dutra Da Silva v Joao Lucas Reis da Silva | 7-5,6-2 |
| ITF Brazil F5 | 2018/10/17 14:45 | Facundo Mena v Joao Lucas Reis da Silva | 6-4,0-6,6-7 |