| UTR Pro Tennis Series California | 2021/08/25 20:00 | Ryan Seggerman v Martin Redlicki | 3-6,6-3,6-2 |
| UTR Pro Tennis Series California | 2021/08/24 18:00 | Ryan Seggerman v John B D Otico | 6-3,6-0 |
| 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 | 2021/08/24 20:00 | Colin Markes v Alfredo Perez | 3-6,5-6 |
| UTR Pro Tennis Series California | 2021/08/23 21:00 | Colin Markes v Warren Wood | 6-1,6-4 |
| UTR Pro Tennis Series California | 2021/08/22 16:30 | Colin Markes v Keenan Mayo | 6-1,0-6,5-4 |
| UTR Pro Tennis Series Dallas | 2021/08/12 15:30 | Colin Markes v Peter Murphy | 5-7,5-7 |
| UTR Pro Tennis Series Dallas | 2021/08/11 13:00 | Colin Markes v Ryuhei Azuma | 2-6,1-6 |
| UTR Pro Tennis Series Dallas | 2021/08/10 16:00 | Colin Markes v Stefan Storch | 7-6,6-3 |
| UTR Pro Tennis Series Dallas | 2021/08/08 21:37 | Colin Markes v Juan Carlos Aguilar | 3-6,5-6 |
| UTR Pro Tennis Series Dallas | 2021/08/08 16:00 | Robert Cash v Colin Markes | 6-3,6-1 |