AJ Kerin
| Division | 18 |
| Home Town | Saratoga, CA |
| USTA Section | Northern California (NCTA) |
| Singles Line | 21 |
| Singles Seed | 0 |
| Doubles Line | 0 |
| Doubles Seed | 0 |
2003
Boys 18 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Robert Gallman / Andrew Mack def. AJ Kerin / Joseph Lok | 6-7(5), 7-5, 6-2 |
Boys 18 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | AJ Kerin def. Ray Wu | 7-5, 6-4 |
| 3rd Rd | Phillip Simmonds (11) def. AJ Kerin | 6-1, 6-2 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 3rd Rd | Stephen Bass (22) def. AJ Kerin | 6-2, 4-6, 6-3 |
2001
Boys 16 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | AJ Kerin (29) def. Shane LaPorte | 7-5, 6-1 |
| 3rd Rd | Todd Paul def. AJ Kerin (29) | 5-7, 7-6(3), 6-4 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 3rd Rd | Luke Shields (2) def. AJ Kerin (29) | 6-3, 6-3 |
Boys 16 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Jarmaine Jenkins / Konstantin Lazarov def. AJ Kerin / William McAlister | 6-3, 4-6, 6-2 |
2000
Boys 16 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Christopher Brown / Frankie Green def. Matt Baca / AJ Kerin | 6-0, 4-6, 6-3 |
Boys 16 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Philip Charm def. AJ Kerin | 7-6(5), 6-1 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | AJ Kerin def. Derrick Lajola | 7-5, 6-3 |
| 3rd Rd Qualifying | AJ Kerin def. Vasili Borissov | 1-6, 7-5, 7-6(6) |
| 3rd Rd | Brett McKeon def. AJ Kerin | 6-1, 6-3 |