| UTR Pro Tennis Series California | 2021/05/26 21:00 | Theodore Dean v Rudy Quan | 6-4,5-2 |
| UTR Pro Tennis Series California | 2021/05/25 21:15 | Humberto Lopez v Rudy Quan | 7-5,5-0 |
| UTR Pro Tennis Series California | 2021/05/24 20:26 | Rudy Quan v Shahin Khaledan | 7-5,5-7,1-6 |
| UTR Pro Tennis Series California | 2021/05/23 19:00 | Rudy Quan v Aaron Bailey | 6-3,1-6,4-6 |
| UTR Pro Tennis Series California | 2021/05/26 16:30 | Joshua Ortlip v Spencer Johnson | 6-4,5-4 |
| UTR Pro Tennis Series California | 2021/05/25 21:00 | Gabriel Evans v Spencer Johnson | 3-6,2-6 |
| UTR Pro Tennis Series California | 2021/05/24 19:30 | Spencer Johnson v Alexander Stater | 6-4,5-7,6-7 |
| UTR Pro Tennis Series California | 2021/02/25 16:00 | Joshua Sheehy v Spencer Johnson | 6-2,5-3 |
| UTR Pro Tennis Series California | 2021/02/23 22:00 | Mousheg Hovhannisyan v Spencer Johnson | 6-2,5-4 |
| UTR Pro Tennis Series California | 2021/02/22 20:00 | Spencer Johnson v Nicolas Barrientos | 3-6,2-6 |
| UTR Pro Tennis Series California | 2021/02/21 16:00 | Keenan Mayo v Spencer Johnson | 2-6,6-3,6-4 |
| UTR Pro Tennis Series California | 2021/02/20 19:00 | Spencer Johnson v Joshua Sheehy | 6-3,6-3 |