| UTR Pro Tennis Series California | 2021/02/12 20:00 | Kyle Kang v Nicolas Barrientos | 3-6,2-5 |
| Challenger Cleveland | 2021/03/14 19:00 | Strong Kirchheimer v Kyle Kang | 6-4,6-1 |
| UTR Pro Tennis Series California | 2021/02/26 20:00 | Alex Michelsen v Kyle Kang | 6-3,1-6,6-7 |
| UTR Pro Tennis Series California | 2021/02/25 20:00 | Gage Brymer v Kyle Kang | 6-2,4-6,5-3 |
| UTR Pro Tennis Series California | 2021/02/23 18:00 | Alexander Lebedev v Kyle Kang | 6-1,6-7,2-5 |
| UTR Pro Tennis Series California | 2021/02/22 16:00 | Kyle Kang v Ryan James Storrie | 4-6,2-5 |
| UTR Pro Tennis Series California | 2021/02/21 18:00 | Kyle Kang v Aidan Mayo | 3-6,6-2,6-4 |
| UTR Pro Tennis Series California | 2021/02/20 22:00 | Kyle Kang v Aaron Bailey | 6-7,7-5,6-0 |
| UTR Pro Tennis Series California | 2021/02/19 17:30 | Kyle Kang v Alex Jones | 6-3,7-5 |
| UTR Pro Tennis Series California | 2021/02/27 21:30 | Ryan James Storrie v Nicolas Barrientos | 2-6,6-1,3-0 |
| UTR Pro Tennis Series California | 2021/02/26 20:00 | Joshua Sheehy v Nicolas Barrientos | 5-7,4-5 |
| UTR Pro Tennis Series California | 2021/02/25 20:00 | Mousheg Hovhannisyan v Nicolas Barrientos | 5-7,3-6 |
| UTR Pro Tennis Series California | 2021/02/24 16:00 | Blu Baker v Nicolas Barrientos | 0-6,4-6 |
| UTR Pro Tennis Series California | 2021/02/22 20:00 | Spencer Johnson v Nicolas Barrientos | 3-6,2-6 |
| UTR Pro Tennis Series California | 2021/02/20 19:00 | Isaiah Strode v Nicolas Barrientos | 6-4,6-3 |
| UTR Pro Tennis Series California | 2021/02/19 19:00 | Mousheg Hovhannisyan v Nicolas Barrientos | 3-6,3-6 |
| UTR Pro Tennis Series California | 2021/02/18 16:00 | Luis Humberto Lopez v Nicolas Barrientos | 3-6,4-6 |