Sean Ko
| Division | 16 |
| Home Town | Danville, CA |
| USTA Section | Northern California (NCTA) |
| Singles Line | 170 |
| Singles Seed | 0 |
| Doubles Line | 55 |
| Doubles Seed | 0 |
2013
Boys 16 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Vayum Arora / Sean Ko def. Nikolas Ramadan / Nikola Samardzic | 7-5, 5-7, 1-0(7) |
| 2nd Rd | Vayum Arora / Sean Ko def. Robin Engel / Sam Turchetta | 5-7, 7-6(2), 1-0(4) |
| 3rd Rd | Alexander Knight / Kyle Seelig (7) def. Vayum Arora / Sean Ko | 7-6(5), 6-0 |
Boys 16 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Sean Ko def. Brandon Yeoh | 6-3, 6-3 |
| 2nd Rd | Jacob Hansen def. Sean Ko | 6-0, 6-1 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 2nd Rd | Sean Ko def. Spencer Lang | 6-1, 7-5 |
| 3rd Rd Qualifying | Sean Ko def. Zachary Lieb | 6-4, 6-2 |
| 3rd Rd | James Wasserman def. Sean Ko | 6-3, 7-6(3) |