Stadium: Court 5 Round: 54 Ground: Hardcourt indoor
| ITF Georgia F1 | 2018/07/08 07:00 | Alexander Merino v Oleg Besednikov | 5-7,3-6 |
| ITF Mexico F3 | 2018/05/21 17:00 | Alexander Merino v Edward Bourchier | 6-7,6-3,3-6 |
| ITF Mexico F2 | 2018/05/14 16:00 | Boris Arias v Alexander Merino | 6-4,6-4 |
| ITF Mexico F2 | 2018/05/12 16:00 | Jody Turnquest v Alexander Merino | 2-6,4-6 |
| ITF Mexico F1 | 2018/05/07 15:00 | Alexander Merino v Trey Hilderbrand | 6-7,3-6 |
| ITF Mexico F1 | 2018/05/06 16:00 | Alexander Merino v Marcelo Sepulveda | 6-2,5-7,6-3 |
| Challenger Puerto Vallarta Qual | 2018/04/28 18:15 | Alexander Merino v Boris Arias | 6-3,4-6,2-6 |
| ITF Tunisia F12 | 2018/03/28 08:30 | Alexander Merino v Jordi Munoz-Abreu | 3-6,1-6 |
| ITF USA F18 | 2018/06/26 15:10 | Grey Hamilton v Dragos Constantin Ignat | 7-5,2-6,6-3 |
| ITF USA F18 | 2018/06/25 18:00 | Dragos Constantin Ignat v Luke Phillips | 6-0,6-3 |
| ITF USA F18 | 2018/06/25 14:00 | Dragos Constantin Ignat v Daniel Fainblum | 6-2,7-5 |
| ITF USA F16 | 2018/06/17 17:00 | Dragos Constantin Ignat v Matt Kuhar | 1-6,6-2,3-6 |
| ITF USA F16 | 2018/06/16 17:00 | Dragos Constantin Ignat v Adam Neff | 6-3,5-7,6-4 |
| ITF USA F14 | 2018/06/13 20:00 | Dragos Constantin Ignat v Liam Draxl | 4-6,2-6 |
| ITF USA F14 | 2018/06/11 16:05 | Dragos Constantin Ignat v Roy Smith | 6-0,6-1 |
| ITF USA F14 | 2018/06/10 15:00 | Dragos Constantin Ignat v Ritik Sundaram | 6-4,7-5 |