Round: 25 Ground: Clay
| Challenger Curitiba Qual | 2016/08/27 18:30 | Matos, Rafael v Santos, Nicolas | 6-4,3-6,2-6 |
| ITF Argentina F2 | 2017/06/12 13:00 | Matos, Rafael v Barrios, Geronimo | 6-3,6-2 |
| ITF Argentina F2 | 2017/06/11 12:30 | Matos, Rafael v Lopez Parravicini, Juan Manuel | 6-0,6-0 |
| ITF Spain F14 | 2017/05/20 10:00 | Matos, Rafael v Monteiro, Joao | 6-1,3-6,7-6 |
| ITF Spain F14 | 2017/05/19 10:30 | Daniel Dutra Da Silva v Matos, Rafael | 0-6,3-6 |
| ITF Spain F14 | 2017/05/17 11:55 | Matos, Rafael v Giner, Marc | 6-2,6-3 |
| ITF Spain F14 | 2017/05/16 14:40 | Alejandro Davidovich Fokina v Matos, Rafael | 3-6,5-7 |
| ITF Spain F14 | 2017/05/15 08:00 | Matos, Rafael v Amiri, Farzin Danny | 6-1,6-0 |
| ITF Spain F14 | 2017/05/14 07:00 | Matos, Rafael v Tatyanin, Nikita | 6-2,6-2 |
| ITF Argentina F1 | 2017/06/07 12:30 | Santos, Nicolas v Oscar Jose Gutierrez | 2-6,6-2,5-7 |
| ITF Argentina F1 | 2017/06/06 15:15 | Santos, Nicolas v Espin Busleiman, Geronimo | 6-3,4-6,7-5 |
| ITF Mexico F4 | 2017/05/17 18:00 | Santos, Nicolas v Felder, Marcel | 3-6,2-6 |
| ITF Mexico F4 | 2017/05/16 16:00 | Santos, Nicolas v Green, Cameron | 3-6,6-4,6-1 |
| ITF Mexico F3 | 2017/05/09 21:30 | Santos, Nicolas v Miele, Andre | 4-6,1-6 |
| ITF Mexico F2 | 2017/05/02 16:35 | Takeda, Naoki v Santos, Nicolas | 7-5,6-3 |
| ITF Tunisia F12 | 2017/03/30 08:30 | Malla, Bastian v Santos, Nicolas | 6-3,3-6,6-3 |
| ITF Tunisia F12 | 2017/03/29 11:25 | van Der Linden, Lennert v Santos, Nicolas | 6-7,5-7 |