Stadium: Cancha Central Round: 45 Ground: Clay
| 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 |
| Challenger Campinas | 2017/10/05 21:30 | Daniel Munoz-De La Nava v Joao Souza | 7-6,4-6,6-4 |
| Challenger Campinas | 2017/10/03 22:35 | Gonzalo Lama v Joao Souza | 4-6,3-6 |
| Challenger Bogota | 2017/09/07 15:00 | Juan Ignacio Londero v Joao Souza | 6-4,6-1 |
| ITF Argentina F9 | 2017/11/15 13:00 | Ignacio Carou v Martin Cuevas | 2-6,1-6 |
| ITF Argentina F9 | 2017/11/13 16:15 | Nicolas Alberto Arreche v Martin Cuevas | 3-6,3-6 |
| Challenger Montevideo | 2017/11/07 21:00 | Martin Cuevas v Carlos Berlocq | 1-6,6-3,3-6 |
| Challenger Guayaquil | 2017/11/01 21:55 | Martin Cuevas v Gerald Melzer | 6-3,2-6,2-6 |
| Challenger Guayaquil Qual | 2017/10/29 16:00 | Roberto Marcora v Martin Cuevas | 3-6,7-6,3-6 |
| Challenger Guayaquil Qual | 2017/10/28 22:45 | Tomas Lipovsek Puches v Martin Cuevas | 4-6,1-6 |
| Challenger Guayaquil Qual | 2017/10/28 15:00 | Juan S Z Vargas v Martin Cuevas | 2-6,3-6 |
| Challenger Lima Qual | 2017/10/21 15:35 | Blaz Rola v Martin Cuevas | 6-3,6-1 |