| UTR Pro California | 2023/07/22 18:00 | Alexander Kotzen v Karl Lee | 6-2,4-6,6-2 |
| UTR Pro California | 2023/07/21 23:00 | Alexander Kotzen v Tyler Davis | 6-2,6-3 |
| UTR Pro California | 2023/07/20 20:30 | Alexander Kotzen v Emmett Potter | 4-6,6-4,6-3 |
| UTR Pro California | 2023/07/19 22:54 | Lawee Sherif v Alexander Kotzen | 6-3,0-6,0-2 |
| UTR Pro California | 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 |
| UTR Pro California | 2023/07/22 20:23 | Joshua Charlton v Constantinos Djakouris | 6-4,3-6,2-6 |
| UTR Pro California | 2023/07/21 20:30 | Constantinos Djakouris v Krish Arora | 7-6,6-0 |
| UTR Pro California | 2023/07/20 22:00 | Constantinos Djakouris v James Macdonald | 6-1,6-1 |
| UTR Pro California | 2023/07/19 20:30 | Adam Chodur v Constantinos Djakouris | 7-5,6-2 |
| UTR Pro California | 2023/07/18 20:00 | Donald Hall v Constantinos Djakouris | 1-6,0-6 |
| ITF M15 Lakewood | 2023/07/12 23:50 | Constantinos Djakouris v Keegan Smith | 4-6,7-5,2-6 |
| ITF M15 Lakewood | 2023/07/05 17:00 | Constantinos Djakouris v Andre Ilagan | 1-6,3-6 |
| ITF M15 Lakewood | 2023/07/04 17:00 | Keshav Chopra v Constantinos Djakouris | 5-7,3-6 |