Stadium: Cancha 4 Round: 46 Ground: Clay
| Challenger San Luis Potosi Qual | 2018/03/25 22:15 | Luis David Martinez v Jose Pablo Andres | 6-0,6-1 |
| Challenger Drummondville Qual | 2018/03/11 18:30 | Luis David Martinez v Gregoire Jacq | 2-6,4-6 |
| ITF Canada F2 Qual | 2018/03/04 15:00 | Frederik Nielsen v Luis David Martinez | 6-3,6-4 |
| ITF Canada F2 Qual | 2018/03/03 15:00 | Luis David Martinez v Antoine Leduc | 6-2,6-4 |
| Challenger Morelos Qual | 2018/02/17 21:00 | Luis David Martinez v Federico Zeballos | 6-3,6-3 |
| Challenger Morelos Qual | 2018/02/17 17:40 | Bernardo Saraiva v Luis David Martinez | 4-6,4-6 |
| ITF USA F3 | 2018/01/10 18:10 | Luis David Martinez v Strong Kirchheimer | 2-6,2-6 |
| Challenger Champaign Qual | 2017/11/13 16:00 | Luis David Martinez v Samuel Monette | 1-6,1-6 |
| Challenger San Luis Potosi Qual | 2018/03/25 21:35 | Rodrigo M Monsech v Roberto Cid Subervi | 0-6,0-6 |
| Challenger Santiago Qual | 2018/03/04 15:30 | Roberto Cid Subervi v Pedro Cachin | 6-7,6-7 |
| Challenger Santiago Qual | 2018/03/03 17:05 | Ivan Gakhov v Roberto Cid Subervi | 6-7,3-6 |
| Challenger Punta Del Este Qual | 2018/02/25 15:55 | Juan Ignacio Galarza v Roberto Cid Subervi | 6-3,4-6,6-3 |
| Challenger Punta Del Este Qual | 2018/02/24 15:45 | Mauricio Echazu v Roberto Cid Subervi | 3-6,1-6 |
| Challenger Morelos | 2018/02/21 19:45 | Pedja Krstin v Roberto Cid Subervi | 6-7,6-3,6-0 |
| Challenger Morelos Qual | 2018/02/18 21:30 | Tomas Barrios Vera v Roberto Cid Subervi | 6-2,6-7,6-7 |
| Challenger Morelos Qual | 2018/02/18 00:00 | Juan A H Serrano v Roberto Cid Subervi | 1-6,2-6 |