| ITF M15 Lakewood | 07/10 21:45 | 25 | Constantinos Djakouris v Andrew Fenty | 1-6,4-6 | |
| ITF M15 Lakewood | 07/09 17:00 | 54 | Constantinos Djakouris v Avery Tallakson | 6-3,7-6 | |
| ITF M15 Lakewood | 07/08 19:30 | 54 | Noah Zamora v Constantinos Djakouris | 4-6,4-6 | |
| ITF M15 Lakewood | 07/01 17:00 | 54 | Karl Kazuma Lee v Constantinos Djakouris | 6-7,6-2,10-1 | |
| ITF M25 Bakersfield | 03/12 18:00 | 54 | Constantinos Djakouris v Saahith Jayaraman | 6-7,3-6 | |
| UTR Pro California | 12/23 22:17 | - | Patorn Hanchaikul v Constantinos Djakouris | 2-6,6-4,6-2 | |
| UTR Pro California | 12/23 17:30 | - | Constantinos Djakouris v Dominique Rolland | 6-4,6-3 | |
| UTR Pro California | 12/20 21:40 | - | Jan Silva v Constantinos Djakouris | 0-4 | |
| UTR Pro California | 12/19 19:00 | - | Alejandro Jacome v Constantinos Djakouris | 0-6,6-3,6-4 | |
| UTR Pro California | 12/19 00:51 | - | Dylan Charlap v Constantinos Djakouris | 4-6,0-6 | |
| UTR Pro California | 12/17 16:00 | - | Constantinos Djakouris v Sean Hill | 3-6,2-6 | |
| UTR Pro California | 08/13 18:30 | - | Karue Sell v Constantinos Djakouris | 6-1,6-3 | |
| UTR Pro California | 08/12 21:30 | - | Luis Humberto Lopez v Constantinos Djakouris | 6-7,1-6 | |
| UTR Pro California | 08/11 18:30 | - | Constantinos Djakouris v Noah Zamora | 6-1,6-4 | |
| UTR Pro California | 08/09 23:21 | - | Constantinos Djakouris v Lawee Sherif | 6-4,6-2 | |
| UTR Pro California | 08/08 17:00 | - | Constantinos Djakouris v Miles Clark | 6-3,6-2 | |
| UTR Pro California | 08/07 17:00 | - | Colin Markes v Constantinos Djakouris | 0-6,6-3,3-6 | |
| UTR Pro San Diego | 07/30 01:00 | - | Isaiah Strode v Constantinos Djakouris | 7-5,6-1 | |
| UTR Pro San Diego | 07/29 01:30 | - | Constantinos Djakouris v Theodore Dean | 6-1,6-2 | |
| UTR Pro San Diego | 07/28 03:15 | - | Constantinos Djakouris v Tyler Davis | 6-4,7-5 | |
| UTR Pro San Diego | 07/27 02:48 | - | Elijah Strode v Constantinos Djakouris | 6-4,6-4 | |
| UTR Pro San Diego | 07/26 00:40 | - | Luis Humberto Lopez v Constantinos Djakouris | 2-6,4-6 | |
| UTR Pro California | 07/23 17:00 | - | Alexander Kotzen v Constantinos Djakouris | 6-3,7-5 | |
| UTR Pro California | 07/22 20:23 | - | Joshua Charlton v Constantinos Djakouris | 6-4,3-6,2-6 | |
| UTR Pro California | 07/21 20:30 | - | Constantinos Djakouris v Krish Arora | 7-6,6-0 | |
| UTR Pro California | 07/20 22:00 | - | Constantinos Djakouris v James Macdonald | 6-1,6-1 | |
| UTR Pro California | 07/19 20:30 | - | Adam Chodur v Constantinos Djakouris | 7-5,6-2 | |
| UTR Pro California | 07/18 20:00 | - | Donald Hall v Constantinos Djakouris | 1-6,0-6 | |
| ITF M15 Lakewood | 07/12 23:50 | 25 | Constantinos Djakouris v Keegan Smith | 4-6,7-5,2-6 | |
| ITF M15 Lakewood | 07/05 17:00 | 25 | Constantinos Djakouris v Andre Ilagan | 1-6,3-6 |