| UTR Pro California | 2023/07/19 20:30 | Karl Lee v Andy Nguyen | 7-6,6-2 |
| UTR Pro California | 2023/07/19 00:00 | Karl Lee v Joe Leather | 6-0,5-1 |
| UTR Pro California | 2023/07/17 22:10 | Karue Sell v Karl Lee | 6-7,2-6 |
| UTR Pro Tennis Series California | 2022/11/06 18:25 | Karl Lee v Adam Chodur | 3-6,7-5,3-3 |
| UTR Pro Tennis Series California | 2022/11/05 23:05 | Karl Lee v Miles Clark | 6-2,5-4 |
| UTR Pro Tennis Series California | 2022/11/04 20:00 | Karl Lee v Luis Humberto Lopez | 4-6,6-7 |
| UTR Pro Tennis Series California | 2022/11/03 20:00 | Karl Lee v Alexander Aney | 2-6,2-6 |
| UTR Pro Tennis Series California | 2022/11/02 19:30 | Enrique L Rico v Karl Lee | 6-2,6-5 |
| UTR Pro Tennis Series California | 2021/12/28 20:00 | Austen Huang v Ryan Morgan | 6-2,6-0 |
| UTR Pro Tennis Series California | 2021/12/26 16:00 | Ryan Morgan v Andras Necz | 2-6,6-7 |