Stadium: Court 2 Round: 44 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 | 2018/10/28 12:30 | Matheus T Rezende v Mateus Alves | 0-6,4-6 |
| ITF Brazil F6 | 2018/10/22 13:00 | Igor Gimenez v Matheus T Rezende | 6-3,6-1 |
| ITF Brazil F6 | 2018/10/20 13:00 | Caio Gruber v Matheus T Rezende | 6-1,3-6,0-6 |
| ITF Brazil F5 | 2018/10/15 14:00 | Enrique Bogo v Matheus T Rezende | 6-1,6-0 |
| ITF Peru F3 | 2018/10/06 14:00 | Alejandro H Franco v Matheus T Rezende | 6-2,6-2 |
| ITF Ecuador F2 Qual | 2018/07/29 15:00 | Matheus T Rezende v Joao Hinsching | 4-6,4-6 |
| ITF Ecuador F1 Qual | 2018/07/21 16:00 | Alejandro H Franco v Matheus T Rezende | 6-2,6-1 |
| ITF Argentina F3 | 2018/05/26 14:30 | Matheus T Rezende v Esteban Bruna | 2-6,1-6 |