| ITF M15 Lakewood | 07/05 22:30 | 25 | Quinn Vandecasteele v Arthur Neuhaus | 6-3,6-3 | |
| ITF M15 Irvine | 07/02 17:00 | 29 | Quinn Vandecasteele v Learner Tien | 5-7,2-6 | |
| ITF M15 Irvine | 07/01 18:50 | 28 | Edward Winter v Quinn Vandecasteele | 6-4,4-6,0-6 | |
| ITF M15 Irvine | 06/30 20:20 | 27 | Quinn Vandecasteele v Lorenzo Claverie | 6-3,6-3 | |
| ITF M15 Irvine | 06/29 17:00 | 26 | Stefan Dostanic v Quinn Vandecasteele | Retired | |
| ITF M15 Irvine | 06/28 22:45 | 25 | Hudson Rivera v Quinn Vandecasteele | 2-6,3-6 | |
| ITF M15 Irvine | 06/27 17:00 | 54 | Karlis Ozolins v Quinn Vandecasteele | Retired | |
| ITF M15 Irvine | 06/26 17:00 | 54 | Quinn Vandecasteele v Guillaume Dalmasso | 1-6,6-3,10-6 | |
| ITF M15 Los Angeles | 06/25 17:55 | 29 | Quinn Vandecasteele v Omni Kumar | 4-6,1-6 | |
| ITF M15 Los Angeles | 06/24 19:25 | 28 | Quinn Vandecasteele v Ryan Seggerman | 6-1,6-4 | |
| ITF M15 Los Angeles | 06/23 20:00 | 27 | Quinn Vandecasteele v Stefan Dostanic | 6-3,6-1 | |
| ITF M15 Los Angeles | 06/22 18:00 | 26 | Nathan Ponwith v Quinn Vandecasteele | 3-6,3-6 | |
| ITF M15 Los Angeles | 06/21 19:35 | 25 | Lorenzo Claverie v Quinn Vandecasteele | 6-4,4-6,3-6 | |
| ITF M15 Los Angeles | 06/20 17:00 | 19 | Giacomo Revelli v Quinn Vandecasteele | 4-6,6-4,8-10 | |
| ITF M15 San Diego | 06/16 16:50 | 27 | Blaise Bicknell v Quinn Vandecasteele | 4-6,6-3,6-3 | |
| ITF M15 San Diego | 06/15 18:35 | 26 | Quinn Vandecasteele v A.J Catanzariti | 7-6,6-3 | |
| ITF M15 San Diego | 06/14 17:00 | 25 | Jody Maginley v Quinn Vandecasteele | 2-6,3-6 | |
| ITF M15 San Diego | 06/14 17:00 | 25 | Adhithya Ganesan v Quinn Vandecasteele | Cancelled | |
| ITF M15 San Diego | 06/13 17:30 | 54 | Hudson Rivera v Quinn Vandecasteele | 6-3,4-6,2-10 | |
| ITF M15 San Diego | 06/12 18:30 | 54 | Quinn Vandecasteele v Evan Bynoe | 7-6,6-2 | |
| ITF M25 Columbus | 11/16 20:05 | 25 | Quinn Vandecasteele v Aidan Mayo | 6-2,5-7,4-6 | |
| ITF M25 Columbus | 11/15 16:45 | 54 | Quinn Vandecasteele v Alfredo Casso | 6-1,6-3 | |
| ITF M15 Cancun | 09/20 14:00 | 44 | Patricio Alvarado v Quinn Vandecasteele | 6-4,6-2 | |
| ITF M15 Cancun | 09/19 14:00 | 44 | Quinn Vandecasteele v Joe Tyler | Retired | |
| ITF M15 Cancun | 09/18 16:30 | 44 | Juan Espanol Moreno v Quinn Vandecasteele | 0-6,1-6 | |
| ITF M15 Cancun | 09/11 13:30 | 44 | Rafael Tosetto v Quinn Vandecasteele | 6-3,4-6,10-3 | |
| ITF M15 Cancun | 09/05 16:30 | 44 | Quinn Vandecasteele v David Krasner | 2-6,2-6 | |
| ITF M15 Cancun | 09/04 18:00 | 44 | Quinn Vandecasteele v Sebastian Pino | 3-6,6-3,10-6 | |
| ITF M15 Lakewood | 07/11 16:00 | 44 | Alexander Petrov v Quinn Vandecasteele | 6-0,7-6 | |
| ITF M15 Lakewood | 07/10 18:30 | 44 | Ari Feig v Quinn Vandecasteele | 0-6,0-6 |