Stadium: Jaime Oncins Round: 25 Ground: Clay
| ITF Brazil F8 | 2018/11/04 13:00 | Alex Blumenberg v Joao Giannella | 6-2,6-1 |
| ITF Brazil F6 | 2018/10/21 15:30 | Leonardo S Frederico v Alex Blumenberg | 3-6,4-6 |
| ITF Brazil F5 | 2018/10/18 15:00 | Alex Blumenberg v Andre Miele | 6-7,2-6 |
| ITF Brazil F5 | 2018/10/16 15:10 | Daniil Zarichanskiy v Alex Blumenberg | 1-6,3-6 |
| ITF Brazil F5 | 2018/10/15 14:00 | Alex Blumenberg v Leonardo Reami Da Cunha | 6-3,6-2 |
| ITF Brazil F5 | 2018/10/14 14:00 | Alex Blumenberg v Johann Soares Valinho | 6-0,6-0 |
| ITF Bolivia F3 | 2018/09/24 13:00 | Rodrigo Echavarria v Alex Blumenberg | 2-6,7-6,6-4 |
| ITF Bolivia F2 | 2018/09/19 21:40 | Luciano Doria v Alex Blumenberg | 6-3,3-6,6-1 |
| ITF Brazil F7 | 2018/11/04 12:00 | Felipe Meligeni Rodrigues Alves v Joao Souza | 3-6,3-6 |
| ITF Brazil F7 | 2018/11/03 15:40 | Facundo Mena v Joao Souza | 4-6,3-6 |
| ITF Brazil F7 | 2018/11/02 15:55 | Alejandro Tabilo v Joao Souza | 5-7,5-7 |
| ITF Brazil F7 | 2018/11/01 16:10 | Fermin Tenti v Joao Souza | 2-6,1-6 |
| 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 |