Stadium: Quadra Guga Kuerten Round: 25 Ground: Clay
| Challenger Santiago 2 | 2017/11/14 22:00 | Guilherme Clezar v Gonzalo Lama | 4-6,6-2,3-6 |
| Challenger Montevideo | 2017/11/08 17:00 | Nicolas Kicker v Guilherme Clezar | 6-3,6-1 |
| Challenger Montevideo | 2017/11/06 21:55 | Attila Balazs v Guilherme Clezar | 6-7,6-7 |
| Challenger Lima | 2017/10/24 15:30 | Blaz Rola v Guilherme Clezar | 7-6,6-0 |
| Challenger Cali 2 | 2017/10/21 16:00 | Guilherme Clezar v Federico Delbonis | 6-7,5-7 |
| Challenger Cali 2 | 2017/10/20 20:30 | Andrej Martin v Guilherme Clezar | 6-7,3-6 |
| Challenger Cali 2 | 2017/10/20 00:00 | Guilherme Clezar v Alejandro Gonzalez | 6-4,6-1 |
| Challenger Cali 2 | 2017/10/18 18:05 | Guilherme Clezar v Cristian Garin | 7-5,7-6 |
| Challenger Santiago 2 | 2017/11/15 16:00 | Goncalo Oliveira v Marcelo Arevalo | 4-6,6-4,5-7 |
| Challenger Santiago 2 | 2017/11/13 18:45 | Blaz Rola v Goncalo Oliveira | 4-6,6-7 |
| Challenger Montevideo | 2017/11/07 19:35 | Goncalo Oliveira v Rogerio Dutra Silva | 3-6,3-6 |
| Challenger Guayaquil | 2017/10/31 17:00 | Joao Domingues v Goncalo Oliveira | 3-6,6-2,6-3 |
| Challenger Lima | 2017/10/24 19:10 | Gastao Elias v Goncalo Oliveira | 6-1,6-3 |
| Challenger Cali 2 | 2017/10/18 16:45 | Gerald Melzer v Goncalo Oliveira | 6-2,6-0 |
| Challenger Cali 2 | 2017/10/16 17:40 | Goncalo Oliveira v Joao Pedro Sorgi | 7-6,6-4 |
| Challenger Buenos Aires | 2017/10/10 14:00 | Goncalo Oliveira v Maxime Janvier | 3-6,5-7 |