Stadium: C Round: 46 Ground: Hardcourt outdoor
| ITF USA F21 | 2018/08/03 15:00 | Hiltzik, Aron v Dunbar, Jacob | 2-6,3-6 |
| ITF USA F21 | 2018/08/02 15:00 | Hiltzik, Aron v Nanda, Govind | 6-4,6-3 |
| ITF USA F20 | 2018/07/24 16:50 | Farquharson, Tom v Hiltzik, Aron | 7-6,6-2 |
| ITF USA F19B | 2018/07/19 19:05 | Hiltzik, Aron v Farquharson, Tom | 1-6,6-7 |
| ITF USA F19B | 2018/07/17 15:00 | Mercier, Tyler v Hiltzik, Aron | 0-6,2-6 |
| Challenger Winnetka Qual | 2018/07/07 17:30 | Hiltzik, Aron v Oliver Crawford | 6-4,1-6,3-6 |
| ITF Portugal F11 | 2018/07/03 11:00 | Hiltzik, Aron v Bauvy, Romain | 3-6,3-6 |
| ITF Israel F11 | 2018/06/28 08:20 | Hiltzik, Aron v Vilardo, Francesco | 1-6,4-6 |
| Challenger Chicago | 2018/09/02 16:40 | Aleksandar Vukic v Sarkissian, Alexander | 3-6,4-6 |
| Vancouver, Canada | 2018/08/13 19:00 | Gojo, Borna v Sarkissian, Alexander | 7-6,6-4 |
| Challenger Aptos | 2018/08/05 17:00 | Sarkissian, Alexander v Aleksandar Vukic | 5-7,2-6 |
| Challenger Aptos | 2018/08/04 18:45 | Sarkissian, Alexander v Smith, Logan | 3-6,6-3,6-2 |
| Challenger Granby | 2018/07/28 03:00 | Sarkissian, Alexander v Dancevic, Frank | 6-1,2-6,4-6 |
| Challenger Granby | 2018/07/27 00:05 | Filip Peliwo v Sarkissian, Alexander | 4-6,3-6 |
| Challenger Granby | 2018/07/23 23:35 | Mousley, Bradley v Sarkissian, Alexander | 6-3,6-7,4-6 |
| Gatineau, Canada | 2018/07/17 17:15 | Grills, Jacob v Sarkissian, Alexander | 6-3,7-6 |