stadio: 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 Chicago | 2018/09/05 15:00 | Andreas Seppi v Alexander Sarkissian | 3-6,6-7 |
| Challenger Chicago | 2018/09/03 22:20 | Ruan Roelofse v Alexander Sarkissian | 3-6,4-6 |
| Challenger Chicago | 2018/09/02 21:35 | Aron Hiltzik v Alexander Sarkissian | 1-6,2-6 |
| Challenger Chicago | 2018/09/02 16:40 | Aleksandar Vukic v Alexander Sarkissian | 3-6,4-6 |
| Challenger Vancouver | 2018/08/13 19:00 | Borna Gojo v Alexander Sarkissian | 7-6,6-4 |
| Challenger Aptos | 2018/08/05 17:00 | Alexander Sarkissian v Aleksandar Vukic | 5-7,2-6 |
| Challenger Aptos | 2018/08/04 18:45 | Alexander Sarkissian v Logan Smith | 3-6,6-3,6-2 |
| Challenger Granby | 2018/07/28 03:00 | Alexander Sarkissian v Frank Dancevic | 6-1,2-6,4-6 |
| Challenger Chicago | 2018/09/04 17:25 | Daniel Elahi Galan v JC Aragone | 6-7,3-6 |
| US Open | 2018/08/24 15:00 | JC Aragone v Lloyd Harris | 4-6,2-6 |
| US Open | 2018/08/23 15:00 | Thomas Fabbiano v JC Aragone | 5-7,1-6 |
| US Open | 2018/08/21 18:50 | Thiemo De Bakker v JC Aragone | 4-6,7-6,6-7 |
| Challenger Vancouver | 2018/08/17 18:00 | JC Aragone v Jason Kubler | 6-2,2-6,4-6 |
| Challenger Vancouver | 2018/08/15 18:00 | Peter Polansky v JC Aragone | 6-7,6-7 |
| Challenger Vancouver | 2018/08/14 18:55 | JC Aragone v Alex Bolt | 3-6,6-2,6-4 |
| Challenger Vancouver | 2018/08/13 22:40 | JC Aragone v Marcos Giron | 6-3,5-7,6-3 |