Stadium: Court 16 Round: 25 Ground: Hardcourt outdoor
| Challenger Happy Valley | 2017/01/02 02:15 | Alexander Sarkissian v Darian King | 4-6,4-6 |
| Challenger Indian Wells Qual | 2018/02/26 00:20 | Alexander Sarkissian v Nicolaas Scholtz | 7-6,3-6,6-3 |
| Challenger Indian Wells Qual | 2018/02/24 22:50 | Alexander Sarkissian v Purav Raja | 6-2,6-1 |
| Challenger Morelos | 2018/02/22 18:30 | Alexander Sarkissian v Dennis Novikov | 1-6,6-7 |
| Challenger Morelos | 2018/02/21 18:00 | Sebastian Fanselow v Alexander Sarkissian | 4-6,4-6 |
| Challenger Morelos | 2018/02/19 21:55 | Alexander Sarkissian v Manuel Sanchez | 6-4,6-4 |
| Challenger Launceston | 2018/02/09 00:00 | Marcel Granollers v Alexander Sarkissian | 6-1,3-6,6-3 |
| Challenger Launceston | 2018/02/07 01:50 | Marinko Matosevic v Alexander Sarkissian | 5-7,3-6 |
| Challenger Launceston | 2018/02/05 02:20 | Alexander Sarkissian v Christian Harrison | 6-3,6-3 |
| ATP Delray Beach | 2018/02/20 19:45 | Darian King v Evgeny Donskoy | 4-6,2-6 |
| ATP Delray Beach Qual | 2018/02/18 16:00 | Darian King v Alexander Bublik | 6-7,6-3,4-6 |
| ATP Delray Beach Qual | 2018/02/17 16:00 | Tim Smyczek v Darian King | 3-6,7-5,4-6 |
| ATP New York Qual | 2018/02/11 16:00 | Darian King v Adrian Menendez-Maceiras | 6-7,5-7 |
| Davis Cup | 2018/02/02 15:25 | Darian King v Alejandro Gonzalez | 5-7,3-6 |
| Challenger Newport Beach | 2018/01/26 18:00 | Darian King v Cristian Garin | 7-5,2-6,3-6 |
| Challenger Newport Beach | 2018/01/25 18:00 | Michael Mmoh v Darian King | 6-1,2-6,1-6 |
| Australian Open Qual | 2018/01/13 23:00 | Darian King v Elias Ymer | 3-6,4-6 |