| UTR Pro Tennis Series California | 2021/02/11 16:00 | Hovhannisyan, Mousheg v Barrientos, Nicolas | 3-6,3-6 |
| UTR Pro Tennis Series California | 2021/02/17 22:00 | Hovhannisyan, Mousheg v Boyer, Dusty H | 6-4,6-2 |
| UTR Pro Tennis Series California | 2021/02/16 16:00 | Hovhannisyan, Mousheg v Lopez, Luis Humberto | 6-1,6-1 |
| UTR Pro Tennis Series California | 2021/02/15 19:00 | Colton Smith v Hovhannisyan, Mousheg | 5-7,6-6 |
| UTR Pro Tennis Series California | 2021/02/14 18:00 | Ortlip, Joshua v Hovhannisyan, Mousheg | 2-6,4-6 |
| UTR Pro Tennis Series California | 2021/02/11 16:00 | Hovhannisyan, Mousheg v Barrientos, Nicolas | 3-6,3-6 |
| UTR Pro Tennis Series California | 2021/02/10 18:00 | Hovhannisyan, Mousheg v Kyle Kang | 6-1,2-6,6-3 |
| UTR Pro Tennis Series California | 2021/02/09 20:00 | Hovhannisyan, Mousheg v Aragone, JC | 6-7,3-5 |
| UTR Pro Tennis Series California | 2021/02/08 16:00 | Hovhannisyan, Mousheg v Wally Thayne | 4-6,6-4,5-0 |
| UTR Pro Tennis Series California | 2021/02/18 16:00 | Lopez, Luis Humberto v Barrientos, Nicolas | 3-6,4-6 |
| UTR Pro Tennis Series California | 2021/02/16 18:00 | Colton Smith v Barrientos, Nicolas | 3-6,4-5 |
| UTR Pro Tennis Series California | 2021/02/15 17:30 | Barrientos, Nicolas v Boyer, Dusty H | 6-3,5-2 |
| UTR Pro Tennis Series California | 2021/02/13 17:30 | Jakob Schnaitter v Barrientos, Nicolas | 3-6,6-1,2-6 |
| UTR Pro Tennis Series California | 2021/02/12 20:00 | Kyle Kang v Barrientos, Nicolas | 3-6,2-5 |
| UTR Pro Tennis Series California | 2021/02/11 16:00 | Hovhannisyan, Mousheg v Barrientos, Nicolas | 3-6,3-6 |
| UTR Pro Tennis Series California | 2021/02/10 20:00 | Wally Thayne v Barrientos, Nicolas | 3-6,3-5 |
| UTR Pro Tennis Series California | 2021/02/08 18:00 | Aragone, JC v Barrientos, Nicolas | 6-2,4-6,6-2 |