| ITF - M15 - Champaign | 2021/06/21 15:00 | Quinn Vandecasteele v Tyler Zink | 2-6,6-3,8-10 |
| ITF - M25 - Las Vegas | 2020/03/03 21:05 | Rodrigo Banzer v Quinn Vandecasteele | 6-0,6-4 |
| ITF - M25 - Los Angeles | 2020/01/06 18:00 | Quinn Vandecasteele v Logan Smith | 4-6,2-6 |
| ITF - M15 - Austin | 2019/11/20 15:50 | Preston Brown v Quinn Vandecasteele | 6-1,6-4 |
| ITF - M25 - Waco | 2019/10/14 17:00 | Quinn Vandecasteele v Alexander Lebedev | 5-7,2-6 |
| ITF - M25 - Waco | 2019/10/13 15:00 | Nathan Chavez v Quinn Vandecasteele | 4-6,3-6 |
| ITF - M15 - Pittsburgh | 2019/07/04 16:35 | Maksim Tikhomirov v Quinn Vandecasteele | 6-2,6-2 |
| ITF - M15 - Pittsburgh | 2019/07/03 17:35 | Quinn Vandecasteele v Robert Cash | 6-7,7-5,6-1 |