Round: 25 Ground: Clay
| ITF Brazil F4 | 2017/11/28 11:30 | Felipe Garla v Augusto Laranja | 6-3,5-7,6-4 |
| ITF Brazil F4 | 2017/11/27 11:00 | Augusto Laranja v Asdrubal Gobernate | 6-2,6-2 |
| ITF Brazil F4 | 2017/11/26 10:30 | Augusto Laranja v Antonio P Neto | 6-0,2-6,6-3 |
| ITF Brazil F4 | 2017/11/25 13:00 | Augusto Laranja v Vinicius Ono | 6-2,6-1 |
| ITF Brazil F3 | 2017/11/23 15:05 | Augusto Laranja v Jose Pereira | 5-7,1-6 |
| ITF Brazil F3 | 2017/11/21 13:00 | Augusto Laranja v Andre Luiz Cezar | 6-2,6-2 |
| ITF Brazil F2 | 2017/11/14 13:20 | Augusto Laranja v Daniel Dutra Da Silva | 6-7,3-6 |
| ITF Brazil F2 | 2017/11/12 13:00 | Augusto Laranja v Pedro F Maciel | 6-1,6-3 |
| ITF Argentina F12 | 2017/12/04 12:00 | Francisco Bastias v Marcos Castares | 4-6,4-6 |
| ITF Argentina F11 | 2017/11/25 21:00 | Marcos Castares v Lautaro Agustin Falabella | 6-1,1-6,3-6 |
| ITF Argentina F11 | 2017/11/25 14:30 | Francisco Aranguren v Marcos Castares | 3-6,6-7 |
| ITF Argentina F9 | 2017/11/11 14:00 | Marcos Castares v Mateo Galdon | 3-6,2-6 |
| ITF Argentina F8 | 2017/11/04 19:00 | Mateo Nicolas Martinez v Marcos Castares | 6-3,6-1 |
| ITF Bolivia F3 Qual | 2017/10/01 14:00 | Marcos Castares v Cleiner Caceres | 6-3,3-6,3-6 |
| ITF Bolivia F3 Qual | 2017/09/30 13:30 | Marcos Castares v Gabriel Alejandro Bernal | 6-0,6-3 |
| ITF Bolivia F1 | 2017/09/17 19:55 | Marcos Castares v Martin Facundo Carrizo | 3-6,4-6 |