| UTR Pro Tennis Series New York | 2021/12/30 19:00 | Alexander Kotzen v Patrick Maloney | 4-6,7-6,6-6 |
| UTR Pro Tennis Series New York | 2021/12/29 16:00 | Alexander Kotzen v James Hopper | 6-2,5-4 |
| UTR Pro Tennis Series New York | 2021/12/28 17:30 | Alexander Kotzen v Younes Lalami Laaroussi | 7-6,4-0 |
| UTR Pro Tennis Series New York | 2021/12/27 16:14 | Alexander Kotzen v Udayan Bhakar | 6-4,5-3 |
| UTR Pro Tennis Series - Florida | 2021/12/18 14:30 | Alexander Kotzen v Adam Walton | 6-4,5-7,2-5 |
| UTR Pro Tennis Series - Florida | 2021/12/17 17:30 | Alexander Kotzen v Francois Musitelli | 6-3,5-2 |
| UTR Pro Tennis Series - Florida | 2021/12/16 15:30 | Alexander Kotzen v Oskar Brostrom Poulsen | 6-3,6-0 |
| UTR Pro Tennis Series - Florida | 2021/12/15 18:45 | Connor Krug v Alexander Kotzen | 6-3,3-6,2-6 |
| UTR Pro Tennis Series New York | 2021/12/31 17:00 | Mac Kiger v Brian Shi | 2-6,7-5,3-6 |
| UTR Pro Tennis Series New York | 2021/12/30 22:50 | Roy Smith v Brian Shi | 6-3,4-6,6-7 |
| UTR Pro Tennis Series New York | 2021/12/29 16:00 | Nicholas Steiglehner v Brian Shi | 2-6,3-5 |
| UTR Pro Tennis Series New York | 2021/12/27 22:30 | Liam Krall v Brian Shi | 2-6,2-6 |
| UTR Pro Tennis Series - Florida | 2021/06/05 13:30 | Brian Shi v Andrew Rogers | 6-3,4-6,3-6 |
| UTR Pro Tennis Series - Florida | 2021/06/03 13:00 | Brian Shi v Adam Walton | 3-6,1-5 |
| UTR Pro Tennis Series - Florida | 2021/06/02 13:00 | Brian Shi v Ivan Yatsuk | 6-2,3-6,3-6 |
| UTR Pro Tennis Series - Florida | 2021/06/01 17:30 | Brian Shi v Chase Ferguson | 6-1,5-4 |