| UTR Pro Tennis Series California | 2021/05/29 15:00 | Sema Pankin v Spencer Johnson | 6-2,5-7,5-6 |
| UTR Pro Tennis Series California | 2021/05/27 16:30 | Rudy Quan v Spencer Johnson | 2-6,6-4,3-6 |
| 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 | 2021/05/29 19:30 | Paul Barretto v Aaron Bailey | 6-7,6-0,4-6 |
| UTR Pro Tennis Series California | 2021/05/27 20:00 | Ivan Thamma v Aaron Bailey | 3-6,4-5 |
| UTR Pro Tennis Series California | 2021/05/26 18:00 | Nicolas Barrientos v Aaron Bailey | 6-4,5-2 |
| UTR Pro Tennis Series California | 2021/05/25 15:00 | Rohan Murali v Aaron Bailey | 4-6,6-3,7-5 |
| UTR Pro Tennis Series California | 2021/05/24 21:00 | Kalman Boyd v Aaron Bailey | 6-2,6-5 |
| 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 | 2021/02/20 22:00 | Kyle Kang v Aaron Bailey | 6-7,7-5,6-0 |
| UTR Pro Tennis Series California | 2021/02/18 19:00 | Aaron Bailey v Kalman Boyd | 6-3,6-2 |