Stadium: Cancha 8 Round: 25 Ground: Clay
| Challenger San Luis Potosi Qual | 2018/03/26 20:50 | Cristian Rodriguez v Roberto Cid Subervi | 7-6,2-6,3-6 |
| 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 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 |
| ITF USA F8 | 2018/03/23 19:20 | Laurent Lokoli v Alexander Sarkissian | 6-3,6-1 |
| ITF USA F8 | 2018/03/20 22:20 | Trent Bryde v Alexander Sarkissian | 1-6,2-6 |
| ITF USA F7 | 2018/03/15 00:00 | Borna Gojo v Alexander Sarkissian | 4-6,6-1,6-4 |
| ATP Indian Wells Qual | 2018/03/07 00:05 | Alexander Sarkissian v Mackenzie McDonald | 1-6,3-6 |
| Challenger Indian Wells | 2018/02/27 23:20 | Alexander Sarkissian v Darian King | 5-7,6-0,3-6 |
| Challenger Indian Wells Qual | 2018/02/26 00:20 | Alexander Sarkissian v Nicolaas Scholtz | 7-6,3-6,6-3 |
| Challenger Indian Wells Qual | 2018/02/24 22:50 | Alexander Sarkissian v Purav Raja | 6-2,6-1 |
| Challenger Morelos | 2018/02/22 18:30 | Alexander Sarkissian v Dennis Novikov | 1-6,6-7 |