Stadium: Court 3 Round: 44 Ground: Clay
| ITF Brazil F6 | 2018/10/21 15:30 | Paulo A S Dos Santos v Victor Bertoldo | 6-1,6-2 |
| ITF Brazil F5 | 2018/10/16 18:15 | Luis Britto v Paulo A S Dos Santos | 6-4,6-3 |
| ITF Bolivia F3 | 2018/09/24 14:30 | Lorenzo Gagliardo v Paulo A S Dos Santos | 7-5,3-6,6-4 |
| ITF Bolivia F2 | 2018/09/16 14:00 | Paulo A S Dos Santos v Julian Cundom | 2-6,3-6 |
| ITF Bolivia F1 | 2018/09/10 18:00 | Paulo A S Dos Santos v Joseph W. Van Meter | 1-6,6-4,5-7 |
| ITF Brazil F3 | 2018/05/11 00:00 | Christian Lindell v Paulo A S Dos Santos | 6-3,6-0 |
| ITF Brazil F3 | 2018/05/08 23:25 | Paulo A S Dos Santos v Lorenzo Gagliardo | 6-4,7-6 |
| ITF Brazil F4 | 2017/11/26 10:30 | Fernando Yamacita v Paulo A S Dos Santos | 6-4,6-1 |
| 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 Bolivia F2 | 2018/09/18 21:00 | Alex Blumenberg v Agustin Ozcoidi | 6-3,6-4 |