John Walsh
| Division | 18 |
| Home Town | Bryn Mawr, PA |
| USTA Section | Middle States (MSTA) |
| Singles Line | 70 |
| Singles Seed | 0 |
| Doubles Line | 81 |
| Doubles Seed | 0 |
2017
Boys 18 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Finn Garner / James Scotty def. Harris Foulkes / John Walsh | 7-6(4), 7-6(5) |
Boys 18 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Christian Alshon (36) def. John Walsh | 6-1, 6-2 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | James Scotty def. John Walsh | 6-4, 6-3 |
2016
Boys 16 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Jack Lee def. John Walsh | 6-4, 6-4 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 2nd Rd | John Walsh def. Evan Fortier | 6-7(2), 6-3, 1-0(6) |
| 3rd Rd Qualifying | Steven Sun (30) def. John Walsh | 6-3, 6-2 |
Boys 16 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Kaya Arinc / Max Vicario def. Kobie Mueller / John Walsh | 7-5, 6-4 |