Stadium: Court 4 Round: 25 Ground: Clay
| Challenger Campinas Qual | 2016/10/01 14:20 | Alex Blumenberg v Osni Junior | 6-1,6-2 |
| ITF Brazil F9 | 2018/11/12 12:00 | Alex Blumenberg v Luis Galindo Machado | 6-1,6-2 |
| 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 F8 | 2018/11/05 15:05 | Osni Junior v Rai Vicente de Araujo | 6-7,6-0,1-6 |
| ITF Brazil F7 | 2018/10/30 18:15 | Facundo Mena v Osni Junior | 6-1,6-2 |
| ITF Brazil F7 | 2018/10/29 12:00 | Osni Junior v Paulo A S Dos Santos | 6-3,7-6 |
| ITF Brazil F7 | 2018/10/27 12:00 | Osni Junior v Gabriel De Andrade Bendazoli | 7-5,6-0 |
| ITF Brazil F5 | 2018/10/18 17:25 | Osni Junior v Christian Lindell | 2-6,4-6 |
| ITF Germany F11 | 2018/08/06 11:00 | Osni Junior v Lucas Poullain | 6-4,4-6,6-7 |
| ITF Germany F11 | 2018/08/05 12:00 | Osni Junior v Marc Guardeno | 6-2,6-4 |
| ITF Germany F11 | 2018/08/05 10:00 | Adriano Quinti v Osni Junior | 3-6,0-6 |