Jonathan Sanchez
| Division | 18 |
| Home Town | Fullerton, CA |
| USTA Section | Southern California (SCTA) |
| Singles Line | 250 |
| Singles Seed | 0 |
| Doubles Line | 0 |
| Doubles Seed | 0 |
2004
Boys 18 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Jonathan Sanchez def. Ned Samuelson | 3-6, 6-3, 7-5 |
| 2nd Rd | Kareem Berdai def. Jonathan Sanchez | 2-6, 6-2, 6-2 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 2nd Rd | Jonathan Sanchez def. Carlos Salmon | 6-2, 7-6(6) |
| 3rd Rd Qualifying | Jonathan Sanchez def. Robert Ladyman | 6-1, 6-2 |
| 3rd Rd | Andrew Mazlin def. Jonathan Sanchez | 7-5, 6-4 |
2003
Boys 18 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Jonathan Sanchez def. Ryan Heller | 6-3, 1-6, 7-5 |
| 2nd Rd | Wayne Odesnik (1) def. Jonathan Sanchez | 6-1, 6-0 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 2nd Rd | Jonathan Sanchez def. Michael Scherer | 6-3, 6-3 |
| 3rd Rd Qualifying | Bobby Rasmussen def. Jonathan Sanchez | 6-2, 7-6(4) |
Boys 18 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Michael Green / Benjamin Rogers def. Jonathan Sanchez / Peter Zimmer | 4-6, 6-3, 6-2 |
2002
Boys 16 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Jonathan Sanchez / Lee Singer def. G. Scott Blackmon / Jordan DeLass | 6-3, 6-4 |
| 3rd Rd | Brandon Davis / Jamie Friedland (2) def. Jonathan Sanchez / Lee Singer | 7-6(8), 4-6, 6-4 |
Boys 16 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Jonathan Sanchez def. Justin Kronauge | 7-5, 6-0 |
| 2nd Rd | Jonathan Sanchez def. Bryan Bankester | 6-0, 6-4 |
| 3rd Rd | Vahid Mirzadeh (2) def. Jonathan Sanchez | 6-2, 6-1 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 3rd Rd | Jonathan Sanchez def. Matt Bruch | 7-5, 6-1 |
| 4th Rd Qualifying | Michael Shabaz def. Jonathan Sanchez | 5-7, 7-5, 6-0 |
2001
Boys 16 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Philip Kao def. Jonathan Sanchez | 6-4, 6-2 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 2nd Rd | Jonathan Sanchez def. Brandon O'Gara | 6-2, 4-6, 6-3 |
| 3rd Rd Qualifying | Andrew Husby def. Jonathan Sanchez | 6-2, 6-3 |
Boys 16 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Jason Mossembekker / Jonathan Sanchez def. G. Scott Blackmon / Maciek Sykut | 0-6, 6-2, 6-3 |
| 2nd Rd | Jason Mossembekker / Jonathan Sanchez def. Taylor Striplin / Monte Tucker | 7-6(2), 6-2 |
| 3rd Rd | Nestor Briceno / Vahid Mirzadeh (8) def. Jason Mossembekker / Jonathan Sanchez | 7-6(3), 4-6, 6-2 |