Round: 27 Ground: Clay
| ITF Brazil F4 | 2017/11/29 14:25 | Joao Souza v Eduardo Dischinger | 6-2,6-2 |
| ITF Brazil F4 | 2017/11/28 15:00 | Joao Souza v Carlos E. Severino | 4-6,6-2,6-2 |
| Challenger Rio De Janeiro | 2017/11/22 17:00 | Roberto Carballes Baena v Joao Souza | 6-2,6-3 |
| Challenger Santiago 2 | 2017/11/14 15:40 | Roberto Carballes Baena v Joao Souza | 6-4,7-5 |
| Challenger Montevideo | 2017/11/07 15:00 | Marcelo Arevalo v Joao Souza | 7-5,6-7,6-3 |
| Challenger Guayaquil | 2017/10/31 17:00 | Joao Souza v Marcelo Arevalo | 3-6,6-7 |
| Challenger Cali 2 | 2017/10/16 21:20 | Joao Souza v Inigo C Huegun | 3-6,7-6,6-7 |
| Challenger Buenos Aires | 2017/10/10 15:55 | Maximo Gonzalez v Joao Souza | 6-3,6-1 |
| ITF Brazil F4 | 2017/11/29 12:00 | Igor Marcondes v Rafael Matos | 3-6,3-6 |
| ITF Brazil F4 | 2017/11/27 17:00 | Marcelo Zormann v Rafael Matos | 1-6,5-7 |
| ITF Brazil F3 | 2017/11/21 13:00 | Joao Lucas Reis da Silva v Rafael Matos | 6-0,0-6,7-6 |
| ITF Brazil F2 | 2017/11/19 13:30 | Rafael Matos v Wilson Leite | 6-2,3-6,6-3 |
| ITF Brazil F2 | 2017/11/18 19:55 | Rafael Matos v Nicolas Santos | 1-6,6-3,6-3 |
| ITF Brazil F2 | 2017/11/17 16:05 | Christian Lindell v Rafael Matos | 6-7,6-3,3-6 |
| ITF Brazil F2 | 2017/11/16 13:00 | Eduardo Dischinger v Rafael Matos | 1-6,1-6 |
| ITF Brazil F2 | 2017/11/14 18:45 | Fernando Yamacita v Rafael Matos | 2-6,6-7 |