Sebastian Dounchis
| Division | 16 |
| Home Town | Naples, FL |
| USTA Section | Florida (FTA) |
| Singles Line | 39 |
| Singles Seed | 0 |
| Doubles Line | 39 |
| Doubles Seed | 0 |
2019
Boys 16 Singles
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Teddy Truwit (33) def. Sebastian Dounchis | 6-2, 6-1 |
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Preston Stearns def. Sebastian Dounchis | 6-3, 6-4 |
Boys 16 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Noah Gampel / Eugenio Gonzalez def. Justin Braverman / Sebastian Dounchis | 6-2, 6-2 |