Stadium: Quadra Central Round: 25 Ground: Clay
| ITF Brazil F6 | 2018/10/26 14:00 | Francisco Cerundolo v Daniil Zarichanskiy | 6-1,6-1 |
| ITF Brazil F6 | 2018/10/25 15:00 | Daniil Zarichanskiy v Ignacio Carou | 6-2,7-6 |
| ITF Brazil F6 | 2018/10/22 16:00 | Aaron Schmid v Daniil Zarichanskiy | 3-6,6-3,4-6 |
| ITF Brazil F5 | 2018/10/16 15:10 | Daniil Zarichanskiy v Alex Blumenberg | 1-6,3-6 |
| ITF Peru F2 | 2018/10/02 15:00 | Sergio Monges v Daniil Zarichanskiy | 6-3,6-3 |
| ITF Bolivia F3 | 2018/09/28 16:00 | Federico Zeballos v Daniil Zarichanskiy | 7-5,6-1 |
| ITF Bolivia F3 | 2018/09/27 14:00 | Lorenzo Gagliardo v Daniil Zarichanskiy | 0-6,6-1,1-6 |
| ITF Bolivia F3 | 2018/09/24 16:20 | Raul Garcia v Daniil Zarichanskiy | 4-6,6-7 |
| 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 |
| Challenger Santo Domingo | 2018/10/07 20:35 | Riccardo Bellotti v Joao Souza | 6-7,3-6 |