Stadium: Centre Court Round: 44 Ground: Clay
| ITF Brazil F8 | 2018/11/06 23:00 | Alex Blumenberg v Joao Souza | 6-7,6-7 |
| 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 Brazil F8 | 2018/11/05 13:00 | Felipe Garla v Rafael Saraiva | 6-1,6-4 |
| ITF Brazil F8 | 2018/11/04 13:00 | Rafael Saraiva v Lucas Gessner | 7-6,6-2 |
| ITF Brazil F7 | 2018/10/29 13:30 | Rafael Saraiva v Joao Lucas Reis da Silva | 6-7,3-6 |
| ITF Brazil F5 | 2018/10/16 13:00 | Rafael Saraiva v Joao Lucas Reis da Silva | 0-6,5-7 |
| ITF Brazil F4 | 2017/11/25 13:00 | Asdrubal Gobernate v Rafael Saraiva | 7-6,4-6,6-3 |
| ITF Brazil F3 | 2017/11/21 15:35 | Caio Silva v Rafael Saraiva | 6-2,6-4 |