Johnathan Alexander
| Division | 18 |
| Home Town | Spring, TX |
| USTA Section | Texas (TTA) |
| Singles Line | 64 |
| Singles Seed | 0 |
| Doubles Line | 27 |
| Doubles Seed | 0 |
2008
Boys 18 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bobby Browning / Thomas Cook def. Johnathan Alexander / John Kelly | 6-7(3), 6-4, 6-2 |
Boys 18 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | William Davis def. Johnathan Alexander | 6-4, 6-2 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Jamin Ball def. Johnathan Alexander | 6-2, 6-3 |
2007
Boys 18 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Blake Wardman def. Johnathan Alexander | 6-0, 6-1 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Johnathan Alexander def. Alan Shin | 6-4, 7-5 |
| 3rd Rd Qualifying | Bozhidar Katsarov def. Johnathan Alexander | 7-5, 6-2 |
Boys 18 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Johnathan Alexander / Rusty Turpin def. Alex Nemerov / Christopher Speer | 6-1, 7-5 |
| 3rd Rd | Jordan Bridge / Spencer Smith (16) def. Johnathan Alexander / Rusty Turpin | 6-1, 6-1 |
2006
Boys 16 Singles
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Johnathan Alexander def. Spencer Wolf | Wo(inj) |
| 3rd Rd Qualifying | S. Joshua Cranin def. Johnathan Alexander | 6-3, 6-3 |
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Andrew Carter def. Johnathan Alexander | 6-2, 6-3 |
Boys 16 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Johnathan Alexander / Benjamin Chen def. Vikram Arora / Andy Jackson | 7-6(4), 6-1 |
| 3rd Rd | Johnathan Alexander / Benjamin Chen def. Tyler Bowman / Jenson Turner (6) | Wo(inj) |
| 4th Rd | Nicholas Andrews / Jamie Hutter def. Johnathan Alexander / Benjamin Chen | 6-0, 4-6, 7-6(4) |