Round: 28 Ground: Clay
| ITF Brazil F4 | 2017/12/02 13:30 | Souza, Joao Olavo v Daniel Dutra Da Silva | 7-5,7-5 |
| Challenger Curitiba | 2016/08/31 15:30 | Souza, Joao Olavo v Daniel Dutra Da Silva | 6-7,4-6 |
| ITF Brazil F4 | 2017/12/02 13:30 | Souza, Joao Olavo v Daniel Dutra Da Silva | 7-5,7-5 |
| ITF Brazil F4 | 2017/12/01 17:10 | Souza, Joao Olavo v Matos, Rafael | 7-6,4-6,6-4 |
| ITF Brazil F4 | 2017/11/29 14:25 | Souza, Joao Olavo v Dischinger, Eduardo | 6-2,6-2 |
| ITF Brazil F4 | 2017/11/28 15:00 | Souza, Joao Olavo v Severino, Carlos Eduardo | 4-6,6-2,6-2 |
| Challenger Rio De Janeiro | 2017/11/22 17:00 | Roberto Carballes Baena v Souza, Joao Olavo | 6-2,6-3 |
| Challenger Santiago 2 | 2017/11/14 15:40 | Roberto Carballes Baena v Souza, Joao Olavo | 6-4,7-5 |
| Montevideo, Uruguay | 2017/11/07 15:00 | Arevalo-Gonzalez, Marcelo v Souza, Joao Olavo | 7-5,6-7,6-3 |
| Challenger Guayaquil | 2017/10/31 17:00 | Souza, Joao Olavo v Arevalo-Gonzalez, Marcelo | 3-6,6-7 |
| ITF Brazil F4 | 2017/12/02 13:30 | Souza, Joao Olavo v Daniel Dutra Da Silva | 7-5,7-5 |
| ITF Brazil F4 | 2017/12/01 13:00 | Daniel Dutra Da Silva v Santos, Nicolas | 6-3,6-0 |
| ITF Brazil F4 | 2017/11/30 12:00 | Daniel Dutra Da Silva v Assuncao Garla, Felipe | 6-1,6-4 |
| ITF Brazil F4 | 2017/11/28 13:10 | Daniel Dutra Da Silva v Sao Thiago, Igor | 6-1,6-1 |
| ITF Brazil F3 | 2017/11/24 20:05 | Daniel Dutra Da Silva v Jose Pereira | 1-6,7-6,3-6 |
| ITF Brazil F3 | 2017/11/23 21:35 | Daniel Dutra Da Silva v Pruner Neto, Antonio | 6-2,6-1 |
| ITF Brazil F3 | 2017/11/21 17:00 | Daniel Dutra Da Silva v Fernando Yamacita | 6-3,6-1 |
| ITF Brazil F2 | 2017/11/18 16:20 | Wilson Leite v Daniel Dutra Da Silva | 3-6,7-6,7-5 |