stadio: Court 7 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Tulsa | 2019/06/19 17:40 | Alexander Lebedev v Colin Markes | 3-6,5-7 |
| ITF M25 Tulsa | 2019/06/18 17:40 | Colin Markes v Nicaise Muamba | 7-5,6-3 |
| ITF M25 Tulsa | 2019/06/17 15:00 | Colin Markes v Bradley Frye | 6-4,6-4 |
| ITF USA F34 | 2018/11/26 22:25 | Colin Markes v Jenson Brooksby | 7-5,3-6,3-6 |
| ITF USA F34 | 2018/11/25 17:35 | Colin Markes v Jaime Bendeck | 7-6,6-0 |
| ITF USA F34 | 2018/11/24 18:30 | Colin Markes v Joseph Corse | 6-0,6-2 |
| ITF USA F22 | 2018/08/08 18:35 | Strong Kirchheimer v Colin Markes | 6-3,7-6 |
| ITF USA F21 | 2018/08/01 17:05 | Santiago Rodriguez Taverna v Colin Markes | 6-7,6-2,6-1 |
| ITF M25 Tulsa | 2019/06/19 15:00 | Nevin Arimilli v Alexander Sarkissian | 2-6,3-6 |
| Challenger Columbus | 2019/06/12 14:00 | Alexander Sarkissian v Joao Menezes | 3-6,7-6,3-6 |
| Challenger Little Rock | 2019/06/04 15:00 | Collin Altamirano v Alexander Sarkissian | 6-3,6-1 |
| Challenger Little Rock | 2019/06/03 18:00 | Alexander Sarkissian v Brandon Holt | 6-2,5-7,6-4 |
| Challenger Puerto Vallarta | 2019/05/02 21:10 | Alejandro Tabilo v Alexander Sarkissian | 6-0,6-2 |
| Challenger Puerto Vallarta | 2019/05/01 18:00 | Alexander Sarkissian v Donald Young | 1-6,7-6,6-2 |
| Challenger Puerto Vallarta | 2019/04/29 17:10 | Alexander Sarkissian v Evan Song | 4-6,7-6,6-1 |
| Challenger Leon | 2019/04/23 19:20 | Marcelo Arevalo v Alexander Sarkissian | 6-7,7-5,7-6 |