| UTR Pro Tennis Series - Kalifornia | 2021/02/20 17:30 | Jonas Maier v Keenan Mayo | 5-7,0-0 |
| UTR Pro Tennis Series - Kalifornia | 2021/02/18 17:30 | Keenan Mayo v Aidan Mayo | 7-5,3-6,5-7 |
| UTR Pro Tennis Series - Kalifornia | 2021/02/17 18:00 | Keenan Mayo v Connor Farren | 1-6,3-5 |
| UTR Pro Tennis Series - Kalifornia | 2021/02/16 22:00 | Keenan Mayo v Gage Brymer | 2-6,4-6 |
| UTR Pro Tennis Series - Kalifornia | 2021/02/15 19:00 | Keenan Mayo v Alex Michelsen | 7-5,6-5 |
| UTR Pro Tennis Series - Kalifornia | 2021/02/10 18:00 | Keenan Mayo v Samuel Sippel | 6-7,3-6 |
| UTR Pro Tennis Series - Kalifornia | 2021/02/09 16:00 | Keenan Mayo v Murphy Cassone | 2-6,3-6 |
| UTR Pro Tennis Series - Kalifornia | 2021/02/08 20:00 | Alexander Lebedev v Keenan Mayo | 3-6,6-2,6-1 |
| UTR Pro Tennis Series - Kalifornia | 2021/02/20 19:00 | Spencer Johnson v Joshua Sheehy | 6-3,6-3 |
| UTR Pro Tennis Series - Kalifornia | 2021/02/19 17:30 | Luis Humberto Lopez v Spencer Johnson | 0-6,3-6 |
| UTR Pro Tennis Series - Kalifornia | 2021/02/18 20:30 | Colton Smith v Spencer Johnson | 6-4,6-6 |
| UTR Pro Tennis Series - Kalifornia | 2021/02/13 19:00 | Kyle Kang v Spencer Johnson | 6-4,6-4 |
| UTR Pro Tennis Series - Kalifornia | 2021/02/12 22:00 | Spencer Johnson v Dusty H. Boyer | 7-6,3-6,4-6 |
| UTR Pro Tennis Series - Kalifornia | 2021/02/11 16:00 | Spencer Johnson v Aidan Mayo | 4-6,2-6 |
| UTR Pro Tennis Series - Kalifornia | 2021/02/10 22:00 | Eric Hadigian v Spencer Johnson | 7-6,5-7,2-6 |
| UTR Pro Tennis Series - Kalifornia | 2021/02/09 22:00 | Jakob Schnaitter v Spencer Johnson | 2-6,6-4,5-7 |