Stadium: Cancha 2 Round: 45 Ground: Clay
| Challenger Guayaquil Qual | 2017/10/29 18:15 | Gonzalo Lama v Mariano Kestelboim | 6-2,6-2 |
| Challenger Guayaquil Qual | 2017/10/29 00:05 | Mariano Kestelboim v Alejandro Gonzalez | 6-4,2-6,6-4 |
| Challenger Guayaquil Qual | 2017/10/28 17:40 | Ivan Endara v Mariano Kestelboim | 3-6,2-6 |
| Challenger Lima Qual | 2017/10/21 19:40 | Mariano Kestelboim v Michael Linzer | 0-6,1-6 |
| Challenger Lima Qual | 2017/10/21 14:00 | Mariano Kestelboim v Maxime Janvier | 6-4,6-1 |
| Challenger Buenos Aires - Kval | 2017/10/08 15:40 | Jose Hernandez-Fernandez v Mariano Kestelboim | 6-3,6-4 |
| Challenger Buenos Aires - Kval | 2017/10/07 13:00 | Carlos E. Severino v Mariano Kestelboim | 6-3,1-6,4-6 |
| Challenger Campinas Qual | 2017/09/30 15:30 | Mariano Kestelboim v Jose Pereira | 6-4,4-6,4-6 |
| Challenger Guayaquil Qual | 2017/10/29 16:00 | Pedro Sakamoto v Juan Pablo Ficovich | 6-3,5-7,0-6 |
| Challenger Guayaquil Qual | 2017/10/28 21:10 | Facundo Mena v Pedro Sakamoto | 1-6,3-6 |
| Challenger Guayaquil Qual | 2017/10/28 16:05 | Pedro Sakamoto v Federico Zeballos | 6-3,5-7,7-6 |
| Challenger Cali 2 Qual | 2017/10/14 20:45 | Pedro Sakamoto v Carlos Gomez-Herrera | 3-6,5-7 |
| Challenger Buenos Aires - Kval | 2017/10/08 14:00 | Mario Vilella Martinez v Pedro Sakamoto | 6-2,6-2 |
| Challenger Buenos Aires - Kval | 2017/10/07 14:35 | Bruno Britez v Pedro Sakamoto | 5-7,5-7 |
| Challenger Campinas | 2017/10/03 14:30 | Federico Coria v Pedro Sakamoto | 7-6,6-4 |
| Challenger Campinas Qual | 2017/10/01 14:30 | Pedro Sakamoto v Oscar Jose Gutierrez | 6-4,6-2 |