Stadium: Court 4 Round: 44 Ground: Clay
| ITF Brazil F9 | 2018/11/11 12:00 | Blumenberg, Alex v Saraiva, Rafael | 4-6,7-6,6-3 |
| ITF Brazil F8 | 2018/11/06 23:00 | Blumenberg, Alex v Souza, Joao Olavo | 6-7,6-7 |
| ITF Brazil F8 | 2018/11/04 13:00 | Blumenberg, Alex v Giannella, Joao | 6-2,6-1 |
| ITF Brazil F6 | 2018/10/21 15:30 | Schmitz Frederico, Leonardo v Blumenberg, Alex | 3-6,4-6 |
| ITF Brazil F5 | 2018/10/18 15:00 | Blumenberg, Alex v Miele, Andre | 6-7,2-6 |
| ITF Brazil F5 | 2018/10/16 15:10 | Zarichanskiy, D. v Blumenberg, Alex | 1-6,3-6 |
| ITF Brazil F5 | 2018/10/15 14:00 | Blumenberg, Alex v Reami Da Cunha, Leonardo | 6-3,6-2 |
| ITF Brazil F5 | 2018/10/14 14:00 | Blumenberg, Alex v Soares Valinho, Johann | 6-0,6-0 |
| ITF Brazil F9 | 2018/11/11 12:00 | Tiepermann Pereira, Eber Faria v Galindo Machado, Luis | 4-6,4-6 |