Mario Lopez
| Division | 18 |
| Home Town | Bayamon, PR |
| USTA Section | Caribbean (CTA) |
| Singles Line | 8 |
| Singles Seed | 0 |
| Doubles Line | 64 |
| Doubles Seed | 0 |
2004
Boys 18 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Mario Lopez def. Carlos Salmon | 3-6, 6-4, 7-5 |
| 2nd Rd | Paul Koenke def. Mario Lopez | 6-2, 6-2 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 2nd Rd | Mario Lopez def. Ned Samuelson | Wo(inj) |
| 3rd Rd Qualifying | Andrew Roth def. Mario Lopez | 6-3, 6-2 |
Boys 18 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Joel Kincaid / Peter Kung def. Brian Hanus / Mario Lopez | 4-6, 6-0, 6-4 |
2003
Boys 16 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Peter Dzuba / Marlon Korbut def. Mario Lopez / Christian Nelthropp | 3-6, 7-6(3), 6-3 |
Boys 16 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Mario Lopez def. Ethan Asher | 6-3, 6-2 |
| 2nd Rd | Stefan Hardy (21) def. Mario Lopez | 6-1, 6-1 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 2nd Rd | Michael Dierberger def. Mario Lopez | 7-5, 6-4 |