Gabriel Castillo-Sanchez
| Division | 18 |
| Home Town | Washingtonville, NY |
| USTA Section | Eastern (ETA) |
| Singles Line | 211 |
| Singles Seed | 0 |
| Doubles Line | 7 |
| Doubles Seed | 0 |
2019
Boys 18 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Marcus McDaniel (33) def. Gabriel Castillo-Sanchez | 6-0, 6-1 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Andrew Branicki Jr. def. Gabriel Castillo-Sanchez | 6-2, 7-6(5) |
Boys 18 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Aditya Gupta / Zachary Smith def. Gabriel Castillo-Sanchez / Steven Nazaroff | 6-2, 6-1 |
2018
Boys 16 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Ellis Short / Kian Vakili def. Arjun Asokumar / Gabriel Castillo-Sanchez | 7-5, 6-3 |
Boys 16 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Gabriel Castillo-Sanchez def. Shervin Dehmoubed | 6-1, 7-6(5) |
| 2nd Rd | Quinn Vandecasteele def. Gabriel Castillo-Sanchez | 6-3, 6-2 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 2nd Rd | Gabriel Castillo-Sanchez def. Nicolas Pesoli | 6-3, 7-6(3) |
| 3rd Rd Qualifying | Gabriel Castillo-Sanchez def. Samuel Barrow | 6-0, 6-4 |
| 3rd Rd | Takeyasu Sekiguchi def. Gabriel Castillo-Sanchez | 6-3, 6-3 |