| UTR Pro California | 2023/07/22 01:30 | Joshua Charlton v Brett Brinkman | 7-6,3-6,6-0 |
| UTR Pro California | 2023/07/21 00:30 | Joshua Charlton v Alexey Nesterov | 6-3,2-6,3-5 |
| UTR Pro California | 2023/07/20 01:00 | Sau Franco, Alan Raul v Joshua Charlton | 3-6,6-4,6-7 |
| UTR Pro California | 2023/07/18 20:00 | Nicolas Cortes Campos v Joshua Charlton | 3-6,4-6 |
| UTR Pro Tennis Series California | 2022/12/23 16:00 | Isaiah Strode v Joshua Charlton | 7-6,4-6,6-4 |
| UTR Pro Tennis Series California | 2022/12/22 21:17 | Joshua Charlton v Giacomo Revelli | 6-1,6-7,6-4 |
| UTR Pro Tennis Series California | 2022/12/20 19:14 | Joshua Charlton v Jacob Brumm | 6-4,6-3 |
| UTR Pro Tennis Series California | 2022/12/19 20:20 | Joshua Charlton v Yuta Kikuchi | 2-6,3-6 |
| 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 |
| ITF M15 Lakewood | 2023/07/03 17:00 | Constantinos Djakouris v ZhengQing Ji | 6-3,6-2 |