| UTR Pro Tennis Series Florida | 2022/01/09 14:00 | JanMagnus Johnson v Alexander Kotzen | 7-6,4-6,6-4 |
| UTR Pro Tennis Series Florida | 2022/01/08 16:35 | Juan David Velasquez v Alexander Kotzen | 1-6,3-5 |
| UTR Pro Tennis Series Florida | 2022/01/07 15:00 | Alexander Kotzen v Javier Gonzalez | 7-6,6-3 |
| UTR Pro Tennis Series Florida | 2022/01/06 17:30 | Alexander Kotzen v Top Nidunjianzan | 7-6,7-5 |
| UTR Pro Tennis Series Florida | 2022/01/05 18:10 | Alexander Brown v Alexander Kotzen | 7-5,1-6,3-6 |
| UTR Pro Tennis Series Florida | 2022/01/04 14:00 | Logan Zapp v Alexander Kotzen | 4-6,2-6 |
| UTR Pro Tennis Series New York | 2022/01/01 15:00 | Alexander Kotzen v Brian Shi | 6-7,6-3,6-7 |
| UTR Pro Tennis Series New York | 2021/12/30 19:00 | Alexander Kotzen v Patrick Maloney | 4-6,7-6,6-6 |
| ITF M15 Guatemala | 2021/11/26 17:55 | Kuan Yu Chen v Alejandro H Franco | 2-6,2-6 |
| ITF M15 Guatemala | 2021/11/25 18:45 | Peter Bertran v Kuan Yu Chen | 5-7,7-5,6-7 |
| ITF M15 Guatemala | 2021/11/23 15:30 | Fletcher Scott v Kuan Yu Chen | 6-3,3-6,4-6 |
| ITF M25 Fayetteville | 2021/11/01 17:00 | Henry Patten v Kuan Yu Chen | 6-0,6-1 |
| ITF M25 Guayaquil | 2021/10/26 19:00 | Kuan Yu Chen v Miguel L Sicco | 6-7,6-2,4-6 |
| ITF M15 Naples | 2021/10/04 15:00 | Alessandro Giuliato v Kuan Yu Chen | 6-3,6-0 |
| ITF M15 Changwon | 2019/10/14 03:30 | Oh-Hee Kwon v Kuan Yu Chen | 6-2,7-5 |
| ITF M25 Tay Ninh | 2019/10/08 02:00 | Kuan Yu Chen v Pavel Shchaya-Zubrov | 6-7,2-6 |