Joshua Marchalik
| Division | 18 |
| Home Town | East Brunswick, NJ |
| USTA Section | Eastern (ETA) |
| Singles Line | 8 |
| Singles Seed | 0 |
| Doubles Line | 19 |
| Doubles Seed | 0 |
2016
Boys 18 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Galen Lee / Vincent Rettke def. Nathan Kaplan / Joshua Marchalik | 7-5, 6-3 |
Boys 18 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Joshua Marchalik def. TJ Oosterbaan | 6-4, 6-2 |
| 2nd Rd | Joshua Marchalik def. Jace Akagi-Okuma | 6-3, 6-4 |
| 3rd Rd | Michael Mmoh (1) def. Joshua Marchalik | 6-0, 6-1 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 3rd Rd | Bjorn Hoffmann def. Joshua Marchalik | 6-0, 6-1 |
2014
Boys 16 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | John McNally (1) def. Joshua Marchalik | 6-2, 6-1 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Joshua Marchalik def. Jorge Ortiz | 6-3, 6-1 |
| 2nd Rd | Joshua Marchalik def. Connor Johnston | 6-4, 6-3 |
| 3rd Rd Qualifying | Joshua Marchalik def. Christopher Ephron | 6-4, 6-2 |
| 3rd Rd | Joshua Marchalik def. Max Liu | Wo(inj) |
| 4th Rd Qualifying | Joshua Marchalik def. Brenden Volk | 6-4, 6-7(0), 1-0(7) |
| 4th Rd | Patrick Kypson (3) def. Joshua Marchalik | 3-6, 6-2, 1-0(6) |
Boys 16 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Athell Bennett / Joshua Marchalik def. Kevin Q Xu / Michael Zhao | 6-4, 6-1 |
| 2nd Rd | Athell Bennett / Joshua Marchalik def. Brady Draheim / Fletcher Q Scott | 4-6, 6-4, 1-0(8) |
| 3rd Rd | Sebastian Arcila / Brian Cernoch (9) def. Athell Bennett / Joshua Marchalik | 1-6, 6-4, 1-0(6) |