Stadium: Court 4 Round: 44 Ground: Clay
| ITF Brazil F9 | 2018/11/11 12:00 | Alex Blumenberg v Rafael Saraiva | 4-6,7-6,6-3 |
| 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 Brazil F9 | 2018/11/11 12:00 | Eber Tiepermann v Luis Galindo Machado | 4-6,4-6 |