| UTR Pro Tennis Series Nevada | 2021/07/02 15:00 | Bjorn Swenson v Nicolas Barrientos | 0-6,1-5 |
| UTR Pro Tennis Series Nevada | 2021/07/01 16:30 | Bjorn Swenson v Hudson Rivera | 6-2,4-6,7-6 |
| UTR Pro Tennis Series Nevada | 2021/06/30 16:30 | Eric Hadigian v Bjorn Swenson | 7-6,2-6,1-6 |
| UTR Pro Tennis Series Nevada | 2021/06/29 18:00 | Finn Bass v Bjorn Swenson | 3-6,3-5 |
| UTR Pro Tennis Series Nevada | 2021/06/26 15:00 | Bjorn Swenson v Murphy Cassone | 3-6,1-5 |
| UTR Pro Tennis Series Nevada | 2021/06/25 15:00 | Mac Kiger v Bjorn Swenson | 4-6,5-6 |
| UTR Pro Tennis Series Nevada | 2021/06/24 16:30 | Brandon Stringfellow v Bjorn Swenson | 6-4,2-6,2-6 |
| UTR Pro Tennis Series Nevada | 2021/06/22 15:00 | Nick Lagaev v Bjorn Swenson | 2-6,4-6 |
| UTR Pro Tennis Series Nevada | 2021/06/30 15:00 | Karl Lee v Aaron Bailey | 6-2,6-4 |
| UTR Pro Tennis Series Nevada | 2021/06/29 15:00 | Karl Lee v Bradley Frye | 3-6,6-7 |
| UTR Pro Tennis Series Nevada | 2021/06/28 18:00 | Karl Lee v Jared Pratt | 6-4,6-3 |
| UTR Pro Tennis Series - California | 2021/02/14 16:00 | Kyle Kang v Karl Lee | 7-6,6-3 |
| UTR Pro Tennis Series - California | 2021/02/13 20:30 | Alejandro Mendoza v Karl Lee | 3-6,4-5 |
| UTR Pro Tennis Series - California | 2021/02/11 20:00 | Karl Lee v Isaiah Strode | 1-6,0-5 |
| UTR Pro Tennis Series - California | 2021/02/10 16:00 | Karl Lee v Joshua Ortlip | 4-6,6-2,0-6 |
| UTR Pro Tennis Series - California | 2021/02/09 18:00 | Karl Lee v Alexander Sarkissian | 6-0,6-7,2-6 |