Justin Tzou
| Division | 18 |
| Home Town | Cupertino, CA |
| USTA Section | Northern California (NCTA) |
| Singles Line | 123 |
| Singles Seed | 0 |
| Doubles Line | 98 |
| Doubles Seed | 0 |
2006
Boys 18 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Justin Tzou def. Jack Seider | 4-6, 6-1, 7-5 |
| 2nd Rd | Rhyne Williams (29) def. Justin Tzou | 6-3, 6-3 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 2nd Rd | Justin Tzou def. Timothy Lantin | 6-4, 4-6, 7-6(5) |
| 3rd Rd Qualifying | Justin Tzou def. Callen Fraychineaud | 5-7, 6-1, 4-0 Ret(inj) |
| 3rd Rd | Jeff Dadamo def. Justin Tzou | 7-6(5), 6-0 |
Boys 18 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Daniel Freeman / Justin Tzou def. Shaun Bussert / John Lewis | 3-6, 6-4, 6-4 |
| 2nd Rd | Timmy Allin / Dennis Nevolo def. Daniel Freeman / Justin Tzou | 6-3, 6-1 |
2005
Boys 18 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Jonathan Wong def. Justin Tzou | 6-3, 6-4 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Justin Tzou def. Ryan Farlow | 6-4, 6-3 |
| 3rd Rd Qualifying | Justin Tzou def. Jeffrey Zeller | 6-4, 3-6, 6-3 |
| 3rd Rd | Justin Tzou def. Bryan Oakley | 6-1, 6-1 |
| 4th Rd Qualifying | Mike Gurman def. Justin Tzou | 6-2, 6-4 |
2004
Boys 16 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Thomas Santoro def. Justin Tzou | 6-4, 7-6(5) |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Justin Tzou def. Zach Skorupka | 7-6(9), 4-6, 6-0 |
| 3rd Rd Qualifying | Alexander Kharkevitch def. Justin Tzou | 7-6(4), 6-1 |