| UTR Pro Tennis Series California | 2021/02/15 19:00 | Colton Smith v Mousheg Hovhannisyan | 5-7,6-6 |
| UTR Pro Tennis Series California | 2021/02/15 17:30 | Nicolas Barrientos v Dusty H. Boyer | 6-3,5-2 |
| UTR Pro Tennis Series California | 2021/02/13 17:30 | Jakob Schnaitter v Nicolas Barrientos | 3-6,6-1,2-6 |
| UTR Pro Tennis Series California | 2021/02/12 20:00 | Kyle Kang v Nicolas Barrientos | 3-6,2-5 |
| UTR Pro Tennis Series California | 2021/02/11 16:00 | Mousheg Hovhannisyan v Nicolas Barrientos | 3-6,3-6 |
| UTR Pro Tennis Series California | 2021/02/10 20:00 | Wally Thayne v Nicolas Barrientos | 3-6,3-5 |
| UTR Pro Tennis Series California | 2021/02/08 18:00 | JC Aragone v Nicolas Barrientos | 6-2,4-6,6-2 |
| UTR Pro Tennis Series Cancun | 2020/11/21 15:45 | Oliver Crawford v Nicolas Barrientos | 6-3,6-3 |
| UTR Pro Tennis Series Cancun | 2020/11/19 15:00 | Nicolas Barrientos v Juan A H Serrano | 6-4,6-3 |