Juan Marrero
| Division | 18 |
| Home Town | Ponce, PR |
| USTA Section | Caribbean (CTA) |
| Singles Line | 146 |
| Singles Seed | 0 |
| Doubles Line | 60 |
| Doubles Seed | 0 |
2018
Boys 18 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Matthew Fung / Randy Wilson def. Juan Marrero / Guillermo Torres | 6-3, 6-3 |
Boys 18 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Juan Marrero def. Nicholas Condos | 6-3, 6-4 |
| 2nd Rd | Kasper Smith def. Juan Marrero | 6-4, 6-1 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 2nd Rd | Juan Marrero def. Matthew Thomson | 5-7, 6-0, 1-0(7) |
| 3rd Rd Qualifying | Anders Gibbons def. Juan Marrero | 6-4, 6-2 |