Stadium: Quadra Central Round: 26 Ground: Clay
| ITF Brazil F7 | 2018/10/30 19:00 | Fermin Tenti v Federico Moreno | 6-3,6-2 |
| ITF Peru F3 | 2018/10/08 15:00 | Fermin Tenti v Rodrigo Sanchez | 0-6,2-6 |
| ITF Peru F3 | 2018/10/06 16:30 | Fermin Tenti v Franco Roncadelli | 6-4,6-1 |
| ITF Peru F2 | 2018/10/02 21:00 | Fermin Tenti v Conner Huertas Del Pino | 1-6,6-7 |
| ITF Peru F2 | 2018/10/01 15:00 | Fermin Tenti v Nicolas Bianchi | 6-0,6-3 |
| ITF Peru F2 | 2018/09/30 15:30 | Fermin Tenti v Enrico dos Santos Lima | 6-3,6-2 |
| ITF Bolivia F3 | 2018/09/28 14:00 | Alejandro Mendoza v Fermin Tenti | 7-5,6-4 |
| ITF Bolivia F3 | 2018/09/26 16:35 | Fermin Tenti v Matias Franco Descotte | 7-6,6-3 |
| ITF Brazil F7 | 2018/10/30 17:55 | Daniil Zarichanskiy v Joao Souza | 3-6,4-6 |
| ITF Brazil F6 | 2018/10/26 21:00 | Felipe Meligeni Rodrigues Alves v Joao Souza | 6-3,6-4 |
| ITF Brazil F6 | 2018/10/25 20:30 | Facundo Mena v Joao Souza | 6-1,3-6,4-6 |
| ITF Brazil F6 | 2018/10/23 22:15 | Andre Miele v Joao Souza | 2-6,7-6,2-6 |
| ITF Brazil F5 | 2018/10/20 13:00 | Francisco Cerundolo v Joao Souza | 6-3,6-0 |
| ITF Brazil F5 | 2018/10/18 22:35 | Luis Britto v Joao Souza | 4-6,5-7 |
| ITF Brazil F5 | 2018/10/16 22:00 | Joao Hinsching v Joao Souza | 6-2,4-6,1-6 |
| Challenger Santo Domingo | 2018/10/08 17:15 | Martin Cuevas v Joao Souza | 6-4,6-2 |