Stadium: Court 3 Round: 45 Ground: Hardcourt outdoor
| ITF USA F30 | 2017/09/10 16:00 | Hovhannisyan, Mousheg v Cozbinov, Alexander | 1-6,0-6 |
| Los Angeles, Singles M-ITF-USA-01A | 2018/12/31 18:00 | Hovhannisyan, Mousheg v Sands, Jake | 6-4,4-6,10-8 |
| ITF USA F26 | 2018/09/27 19:05 | Kohen, Alan v Hovhannisyan, Mousheg | 6-2,6-0 |
| ITF USA F26 | 2018/09/26 19:30 | Hovhannisyan, Mousheg v Jacob Brumm | 6-4,2-6,6-1 |
| ITF USA F25 | 2018/09/18 17:00 | Hovhannisyan, Mousheg v Ventre, Alessandro-Damiano | 3-6,3-6 |
| ITF USA F24 | 2018/09/11 16:30 | Hovhannisyan, Mousheg v Dubinski, Artur | 6-7,6-4,5-7 |
| ITF Korea F4 | 2018/08/17 01:00 | Oh, Seong-Gook v Hovhannisyan, Mousheg | 4-6,6-4,6-2 |
| ITF Korea F4 | 2018/08/14 03:20 | Kim, Hyeong Don v Hovhannisyan, Mousheg | 6-4,1-6,2-6 |
| ITF USA F21 | 2018/08/01 19:45 | Nanda, Govind v Hovhannisyan, Mousheg | 6-2,6-2 |
| Los Angeles, Singles M-ITF-USA-01A | 2018/12/31 18:00 | Cozbinov, Alexander v Stalder, Reese | 6-4,6-3 |
| Challenger Las Vegas | 2018/10/22 19:25 | Thanasi Kokkinakis v Cozbinov, Alexander | 7-6,6-1 |
| USA F26, Singles Qualifying | 2018/09/21 21:30 | Chamdani, Adrian v Cozbinov, Alexander | 2-6,7-5,7-5 |
| ITF USA F24 | 2018/09/13 16:30 | Cozbinov, Alexander v Redlicki, Martin | 3-6,2-6 |
| ITF USA F24 | 2018/09/12 16:30 | Ignat, Dragos Constantin v Cozbinov, Alexander | 4-6,0-6 |
| ITF USA F24 | 2018/09/09 18:00 | Kumar, Sameer v Cozbinov, Alexander | 3-6,3-6 |
| ITF USA F24 | 2018/09/08 19:30 | Barretto, Dominic v Cozbinov, Alexander | 1-6,2-6 |
| ITF USA F21 | 2018/08/01 17:45 | Dunbar, Jacob v Cozbinov, Alexander | 6-1,6-4 |