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 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 |
| Challenger Burnie | 2018/01/29 23:00 | Alexander Sarkissian v Yusuke Takahashi | 7-5,6-7,0-6 |
| Challenger Newport Beach Qual | 2018/01/20 18:00 | Cristian Garin v Alexander Sarkissian | 7-6,6-4 |
| ITF USA F1 | 2018/01/05 18:00 | Alexander Sarkissian v Christopher Eubanks | 7-6,5-7,3-6 |
| ITF USA F1 | 2018/01/04 18:00 | Alexander Sarkissian v Martin Redlicki | 6-1,6-3 |
| ITF USA F1 | 2018/01/02 19:50 | Alexander Sarkissian v JC Aragone | 3-6,7-5,6-1 |
| ITF USA F38 | 2017/11/24 15:00 | Luke Bambridge v Alexander Sarkissian | 7-6,6-2 |
| 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 |
| Australian Open Qual | 2018/01/11 08:20 | Alexander Bublik v Darian King | 5-7,0-6 |
| Australian Open Qual | 2018/01/10 00:55 | Darian King v Marc Polmans | 6-2,7-6 |
| Challenger Playford | 2018/01/02 05:20 | Darian King v Oscar Otte | 4-6,4-6 |
| Challenger Knoxville | 2017/11/09 17:50 | Darian King v Bradley Klahn | 6-7,5-7 |