Stadium: Estadio Round: 45
| Challenger Alicante Qual | 2018/04/01 11:45 | Pedro Cachin v Carlos Gomez-Herrera | 6-4,6-7,7-6 |
| Challenger Alicante Qual | 2018/03/31 09:55 | Carlos Gomez-Herrera v Guillermo Olaso | 2-6,7-6,7-5 |
| Challenger Marbella Qual | 2018/03/24 16:30 | Carlos Gomez-Herrera v Lukas Rosol | 6-7,3-6 |
| Challenger Santiago | 2018/03/10 22:00 | Carlos Gomez-Herrera v Marco Cecchinato | 6-1,1-6,1-6 |
| Challenger Santiago | 2018/03/09 20:15 | Jozef Kovalik v Carlos Gomez-Herrera | 3-6,6-7 |
| Challenger Santiago | 2018/03/08 19:45 | Rogerio Dutra Silva v Carlos Gomez-Herrera | 6-4,3-6,3-6 |
| Challenger Santiago | 2018/03/07 15:00 | Facundo Bagnis v Carlos Gomez-Herrera | 1-6,3-6 |
| Challenger Santiago | 2018/03/06 17:50 | Joao Souza v Carlos Gomez-Herrera | 3-6,1-6 |
| Challenger Mexico City Qual | 2018/04/08 16:00 | Alejandro Gomez v Gonzalo Escobar | 4-6,6-7 |
| Challenger Mexico City Qual | 2018/04/07 17:20 | Alejandro Gomez v Nicolas Mejia | 6-2,6-4 |
| 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 18:00 | Alejandro Gomez v Kevin Krawietz | 7-6,3-6,6-7 |
| Challenger San Luis Potosi Qual | 2018/03/25 22:40 | Felipe Mantilla v Alejandro Gomez | 6-4,3-6,6-7 |
| Challenger San Luis Potosi Qual | 2018/03/25 18:05 | Nathan Pasha v Alejandro Gomez | 3-6,6-7 |
| Challenger Drummondville | 2018/03/14 19:20 | Alejandro Gomez v Henri Laaksonen | 4-6,5-7 |
| Challenger Drummondville Qual | 2018/03/12 20:20 | JC Aragone v Alejandro Gomez | 2-6,3-6 |