Stadium: I Round: 26 Ground: Hardcourt outdoor
| ITF USA F1 | 2018/01/02 19:50 | Alexander Sarkissian v JC Aragone | 3-6,7-5,6-1 |
| Challenger Winnetka | 2018/07/09 19:20 | Alexander Sarkissian v Kevin King | 6-2,3-6,4-6 |
| ITF USA F13 | 2018/06/14 16:40 | Alexander Sarkissian v Alexander Ritschard | 6-7,0-6 |
| ITF USA F13 | 2018/06/12 16:40 | Alexander Sarkissian v Christian Seraphim | 6-4,6-4 |
| Challenger Puerto Vallarta | 2018/05/02 23:45 | Alexander Sarkissian v Santiago Giraldo | 3-6,6-7 |
| Challenger Puerto Vallarta | 2018/05/02 01:00 | Alexander Sarkissian v Gerardo L Villasenor | 2-6,6-3,6-4 |
| Challenger Leon | 2018/04/27 20:55 | Roberto Quiroz v Alexander Sarkissian | 6-4,7-6 |
| Challenger Leon | 2018/04/25 21:55 | Jose Hernandez-Fernandez v Alexander Sarkissian | 6-7,6-7 |
| Challenger Guadalajara | 2018/04/19 21:00 | Marcelo Arevalo v Alexander Sarkissian | 6-3,6-3 |
| Challenger Winnetka | 2018/07/11 18:10 | Mitchell Krueger v JC Aragone | 7-6,4-6,6-0 |
| Challenger Winnetka | 2018/07/09 21:50 | JC Aragone v Bjorn Fratangelo | 7-6,6-2 |
| ITF Canada F4 | 2018/07/01 21:00 | JC Aragone v Alexis Galarneau | 6-2,6-3 |
| ITF Canada F4 | 2018/06/30 20:00 | JC Aragone v Benjamin Sigouin | 6-1,6-7,6-4 |
| ITF Canada F4 | 2018/06/29 21:00 | JC Aragone v Ricardo Rodriguez-Pace | 7-5,6-7,6-3 |
| ITF Canada F4 | 2018/06/28 22:00 | JC Aragone v Harrison Scott | 6-3,6-4 |
| ITF Canada F4 | 2018/06/27 20:15 | JC Aragone v Gary Kushnirovich | 6-0,6-4 |
| ITF USA F15 | 2018/06/20 15:30 | JC Aragone v Ryan Peniston | 6-3,6-7,2-6 |