Johann Sajonz
| Division | 18 |
| Home Town | Edison, NJ |
| USTA Section | Eastern (ETA) |
| Singles Line | 40 |
| Singles Seed | 0 |
| Doubles Line | 28 |
| Doubles Seed | 0 |
2019
Boys 18 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Arjun Asokumar / Bradley Yu def. Jordan Paul / Johann Sajonz | 6-0, 6-1 |
Boys 18 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Johann Sajonz def. Andy Mackler | 6-2, 6-3 |
| 2nd Rd | Jeremie Casabon (33) def. Johann Sajonz | 6-3, 6-4 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 2nd Rd | Zachery Foster def. Johann Sajonz | 6-3, 6-1 |
2018
Boys 16 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Kieran Foster / Spencer Johnson def. Nicholas Nguyen / Johann Sajonz | 6-3, 6-2 |
Boys 16 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Philip Martin def. Johann Sajonz | 3-6, 7-6(1), 6-0 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Noelle Andrey Ampong def. Johann Sajonz | 6-2, 6-0 |