Thomas Klosinski
| Division | 18 |
| Home Town | Brooklyn, NY |
| USTA Section | Eastern (ETA) |
| Singles Line | 63 |
| Singles Seed | 0 |
| Doubles Line | 64 |
| Doubles Seed | 0 |
2010
Boys 18 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Russell Bader def. Thomas Klosinski | 6-4, 6-1 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Jamin Ball def. Thomas Klosinski | 6-1, 6-1 |
Boys 18 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Jordan Kaufman / Thomas Klosinski def. Joe Dorn / Anton Kovrigin | 6-4, 7-5 |
| 2nd Rd | Daniel Ho / Clarke Spinosa def. Jordan Kaufman / Thomas Klosinski | 6-3, 6-4 |
2008
Boys 16 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Ben Guthrie / Alex Van Velzer def. Thomas Klosinski / Mesa Mei | 7-5, 6-1 |
Boys 16 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Thomas Klosinski def. Brandon DeBot | 1-6, 6-3, 6-2 |
| 3rd Rd | Clay Thompson (11) def. Thomas Klosinski | 6-0, 6-2 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 3rd Rd | Thomas Klosinski def. Alexander Petrone | 6-2, 6-4 |
| 4th Rd Qualifying | Bjorn Fratangelo def. Thomas Klosinski | 3-6, 7-5, 3-0 Ret(inj) |