Stadium: Court 10 Round: 25 Ground: Clay
| ITF USA F12 | 2018/04/27 23:00 | Juan Manuel Benitez Chavarriaga v Nicolas Mejia | 7-6,6-2 |
| ITF USA F12 | 2018/04/26 16:00 | Nicolas Mejia v Samuel Bensoussan | 6-0,4-6,7-5 |
| ITF USA F12 | 2018/04/25 17:15 | Nicolas Mejia v Matthew Segura | 6-1,6-2 |
| ITF USA F12 | 2018/04/23 14:00 | Nicolas Mejia v Jaycer Lyeons | 6-0,6-4 |
| ITF USA F12 | 2018/04/22 18:30 | Vlad Andrei Dancu v Nicolas Mejia | 3-6,2-6 |
| ITF USA F12 | 2018/04/20 19:30 | Nicolas Mejia v Eric Ahren Moonga | 4-6,6-0,6-1 |
| ITF USA F11 | 2018/04/18 14:00 | Nicolas Mejia v Alejandro Tabilo | 3-6,4-6 |
| Challenger Mexico City Qual | 2018/04/07 17:20 | Alejandro Gomez v Nicolas Mejia | 6-2,6-4 |
| ITF Bolivia F1 | 2018/09/14 20:30 | Jose Pereira v Matias Zukas | 2-6,4-6 |
| ITF Bolivia F1 | 2018/09/13 20:00 | Raul Garcia v Jose Pereira | 3-6,4-6 |
| ITF Bolivia F1 | 2018/09/12 19:30 | Fernando Yamacita v Jose Pereira | 3-6,4-6 |
| ITF Bolivia F1 | 2018/09/11 19:30 | Sergio Luis H Ramirez v Jose Pereira | 3-6,6-2,4-6 |
| ITF Poland F8 | 2018/08/20 12:10 | Gijs Brouwer v Jose Pereira | 6-4,6-3 |
| ITF Poland F7 | 2018/08/16 09:00 | Lukas Klein v Jose Pereira | 6-2,7-6 |
| ITF Poland F7 | 2018/08/15 08:00 | Dominik Nazaruk v Jose Pereira | 0-6,3-6 |
| ITF Italy F22 | 2018/08/06 12:00 | Jose Pereira v Gonzalo Villanueva | 6-4,3-6,4-6 |