Colin Markes
| Division | 18 |
| Home Town | Austin, TX |
| USTA Section | Texas (TTA) |
| Singles Line | 238 |
| Singles Seed | 0 |
| Doubles Line | 69 |
| Doubles Seed | 0 |
2015
Boys 18 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Riley Smith def. Colin Markes | 6-1, 7-6(4) |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Colin Markes def. Kevin Lam | 4-6, 6-3, 1-0(4) |
| 3rd Rd Qualifying | Colin Markes def. Christopher Ephron | 4-6, 6-1, 1-0(1) |
| 3rd Rd | Amit Batta def. Colin Markes | 6-4, 6-4 |
Boys 18 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Aleksandar Kovacevic / Colin Markes def. Michael Chen / Lubomir Cuba | 5-7, 6-3, 1-0(7) |
| 2nd Rd | Joseph Haig / William Sharton (13) def. Aleksandar Kovacevic / Colin Markes | 6-1, 6-1 |
2014
Boys 18 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Colin Markes def. William Sharton | 6-2, 6-4 |
| 2nd Rd | Logan Smith (11) def. Colin Markes | 6-3, 6-2 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 2nd Rd | Sameer Kumar (16) def. Colin Markes | 6-3, 6-0 |
Boys 18 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Colin Markes / Charles Tan def. Charlie Adams / Dennis Wang | 7-5, 7-6(2) |
| 3rd Rd | Robert Kelly / McClain Kessler (14) def. Colin Markes / Charles Tan | 6-3, 6-0 |