| UTR Pro Tennis Series California | 2021/08/23 20:00 | Ryan Seggerman v Karue Sell | 6-7,0-5 |
| UTR Pro Tennis Series California | 2021/05/23 15:00 | Isaiah Strode v Ryan Seggerman | 4-6,7-6,3-6 |
| UTR Pro Tennis Series California | 2021/05/22 18:00 | Ryan Seggerman v Gage Brymer | 6-4,6-7,7-6 |
| UTR Pro Tennis Series California | 2021/05/21 18:00 | Josh Sheehy v Ryan Seggerman | 4-6,4-5 |
| UTR Pro Tennis Series California | 2021/05/20 16:30 | Alexander Stater v Ryan Seggerman | 7-6,4-6,1-6 |
| UTR Pro Tennis Series California | 2021/05/18 15:00 | Joshua Ortlip v Ryan Seggerman | 6-1,5-4 |
| UTR Pro Tennis Series California | 2021/02/28 16:00 | Ryan Seggerman v Kalman Boyd | 6-3,4-6,5-1 |
| UTR Pro Tennis Series California | 2021/02/27 18:00 | Gage Brymer v Ryan Seggerman | 7-6,3-6,3-6 |
| UTR Pro Tennis Series California | 2021/08/23 21:45 | Martin Redlicki v John B D Otico | 6-7,6-2,6-2 |
| UTR Pro Tennis Series California | 2021/08/22 15:00 | John B D Otico v Wally Thayne | 0-0 |
| UTR Pro Tennis Series California | 2021/07/28 18:00 | Alexey Nesterov v John B D Otico | 6-2,5-1 |
| UTR Pro Tennis Series California | 2021/07/27 19:30 | Ethan Quinn v John B D Otico | 6-4,3-6,5-4 |
| UTR Pro Tennis Series California | 2021/07/25 18:00 | Aditya Gupta v John B D Otico | 6-2,5-3 |
| UTR Pro Tennis Series California | 2021/07/21 16:30 | John B D Otico v Ewen Lumsden | 1-6,4-6 |
| UTR Pro Tennis Series California | 2021/07/20 21:00 | John B D Otico v Lucas Gomez | 2-6,0-6 |
| UTR Pro Tennis Series California | 2021/07/18 20:15 | John B D Otico v Alessandro-D Ventre | 1-6,2-6 |