Stadium: C Round: 46 Ground: Hardcourt outdoor
| Challenger Cary | 2018/09/08 15:20 | Alexander Sarkissian v Ruan Roelofse | 6-4,6-3 |
| Challenger Chicago | 2018/09/06 17:45 | Alexander Sarkissian v JC Aragone | 6-2,6-7,6-7 |
| 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 Cary | 2018/09/08 14:00 | Robert Turzak v Ronnie Schneider | 1-6,1-6 |
| ITF Thailand F2 | 2018/08/31 02:00 | Ronnie Schneider v Sanjar Fayziev | 6-4,5-7,4-6 |
| ITF Thailand F2 | 2018/08/30 02:00 | Thomas Fancutt v Ronnie Schneider | 4-6,1-6 |
| ITF Thailand F2 | 2018/08/29 02:45 | Jirat Navasirisomboon v Ronnie Schneider | 1-6,4-6 |
| ITF Thailand F1 | 2018/08/25 02:00 | Ronnie Schneider v Dayne Kelly | 6-4,6-4 |
| ITF Thailand F1 | 2018/08/24 03:00 | Thomas Fancutt v Ronnie Schneider | 6-7,3-6 |
| ITF Thailand F1 | 2018/08/23 03:00 | Ronnie Schneider v Ryota Tanuma | 6-4,6-4 |
| ITF Thailand F1 | 2018/08/22 02:00 | Ronnie Schneider v Nitin Kumar Sinha | 6-0,6-2 |