Stadium: Cancha 1 Round: 46 Ground: Clay
| Challenger Panama City Qual | 2018/03/31 14:30 | Alejandro Gomez v Luis David Martinez | 4-6,6-3,5-7 |
| Challenger San Luis Potosi Qual | 2018/03/26 00:45 | Luis David Martinez v Roberto Cid Subervi | 1-6,6-4,4-6 |
| 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 |
| Challenger Panama City Qual | 2018/03/31 14:30 | Mauricio Echazu v Marco Bortolotti | 6-7,2-6 |
| Challenger San Luis Potosi Qual | 2018/03/25 22:25 | Marco Bortolotti v Kevin Krawietz | 2-6,3-6 |
| Challenger San Luis Potosi Qual | 2018/03/25 18:00 | Pavel Krainik v Marco Bortolotti | 1-6,2-6 |
| ITF Croatia F2 | 2018/03/15 09:00 | Marco Bortolotti v Matej Sabanov | 6-7,4-6 |
| ITF Croatia F2 | 2018/03/14 11:20 | Nino Serdarusic v Marco Bortolotti | 4-6,7-6,4-6 |
| ITF Croatia F1 | 2018/03/08 09:00 | Marco Bortolotti v Gonzalo Escobar | 1-6,2-6 |
| ITF Italy F1 Qual | 2018/02/24 11:20 | Marco Bortolotti v Mattia Frinzi | 6-0,3-6,5-7 |
| Challenger Bergamo Qual | 2018/02/18 09:00 | Laurynas Grigelis v Marco Bortolotti | 6-3,7-6 |