| UTR Pro - Kalifornien | 2023/07/21 23:00 | Alexander Kotzen v Tyler Davis | 6-2,6-3 |
| UTR Pro - Kalifornien | 2023/07/20 20:30 | Alexander Kotzen v Emmett Potter | 4-6,6-4,6-3 |
| UTR Pro - Kalifornien | 2023/07/19 22:54 | Lawee Sherif v Alexander Kotzen | 6-3,0-6,0-2 |
| UTR Pro - Kalifornien | 2023/07/19 00:00 | Jeffrey Fradkin v Alexander Kotzen | 6-7,2-5 |
| ITF - M15 - Lakewood | 2023/07/14 17:00 | Alexander Kotzen v Andre Ilagan | 2-6,7-5,4-6 |
| ITF - M15 - Lakewood | 2023/07/13 17:00 | Alexander Kotzen v Maxwell McKennon | 6-2,6-3 |
| ITF - M15 - Lakewood | 2023/07/12 16:45 | Omni Kumar v Alexander Kotzen | 6-7,3-6 |
| ITF - M15 - Lakewood | 2023/07/06 18:40 | Stefan Dostanic v Alexander Kotzen | 7-5,6-0 |
| UTR Pro - Kalifornien | 2023/07/22 00:00 | Karl Lee v Ryan Morgan | 6-7,3-6 |
| UTR Pro - Kalifornien | 2023/07/19 20:30 | Karl Lee v Andy Nguyen | 7-6,6-2 |
| UTR Pro - Kalifornien | 2023/07/19 00:00 | Karl Lee v Joe Leather | 6-0,5-1 |
| UTR Pro - Kalifornien | 2023/07/17 22:10 | Karue Sell v Karl Lee | 6-7,2-6 |
| UTR Pro Tennis Series - Kalifornien | 2022/11/06 18:25 | Karl Lee v Adam Chodur | 3-6,7-5,3-3 |
| UTR Pro Tennis Series - Kalifornien | 2022/11/05 23:05 | Karl Lee v Miles Clark | 6-2,5-4 |
| UTR Pro Tennis Series - Kalifornien | 2022/11/04 20:00 | Karl Lee v Luis Humberto Lopez | 4-6,6-7 |
| UTR Pro Tennis Series - Kalifornien | 2022/11/03 20:00 | Karl Lee v Alexander Aney | 2-6,2-6 |