Alexander De Chatellus
| Division | 18 |
| Home Town | Tiburon, CA |
| USTA Section | Northern California (NCTA) |
| Singles Line | 146 |
| Singles Seed | 0 |
| Doubles Line | 24 |
| Doubles Seed | 0 |
2008
Boys 18 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Michael Laser def. Alexander De Chatellus | 6-3, 6-1 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Thai Tu def. Alexander De Chatellus | 7-6(5), 3-6, 6-4 |
Boys 18 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Alexander De Chatellus / Will Oliver def. Coby Kramer-Golinkoff / Daniil Mamalat | 6-2, 6-1 |
| 2nd Rd | Alexander De Chatellus / Will Oliver def. Carson Kadi / William Schumacher | 3-6, 6-2, 7-5 |
| 3rd Rd | Ryan Thacher / Rhyne Williams (5) def. Alexander De Chatellus / Will Oliver | 6-4, 7-5 |
2007
Boys 16 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Alexander De Chatellus / Will Oliver (13) def. Warren Hardie / Torsten Keil-Long | 6-3, 6-1 |
| 3rd Rd | Bryan Chow / Brian Wee def. Alexander De Chatellus / Will Oliver (13) | 2-6, 7-6(5), 6-4 |
Boys 16 Singles
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Alexander De Chatellus def. Aaron Pfister | 3-6, 7-6(0), 6-2 |
| 3rd Rd Qualifying | Alexander De Chatellus def. Daniel Hoffman | 7-6(6), 4-6, 6-2 |
| 3rd Rd | Alexander De Chatellus def. Harrison Abrams | 6-2, 6-2 |
| 4th Rd Qualifying | Alexander De Chatellus def. Campbell Johnson | 6-7(4), 7-5, 6-0 |
| 4th Rd | Brandon Mitchell def. Alexander De Chatellus | 6-2, 7-5 |
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Justin Shane def. Alexander De Chatellus | 6-2, 6-4 |