Nathan Griffin
| Division | 18 |
| Home Town | Broadview Heights, OH |
| USTA Section | Midwest (MWTA) |
| Singles Line | 31 |
| Singles Seed | 0 |
| Doubles Line | 118 |
| Doubles Seed | 0 |
2015
Boys 18 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Nathan Griffin def. Adrien Bouchet | 3-6, 6-3, 6-2 |
| 2nd Rd | Nathan Griffin def. Max Palmer | 7-5, 7-6(1) |
| 3rd Rd | Martin Joyce (24) def. Nathan Griffin | 6-3, 6-3 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 3rd Rd | Nathan Griffin def. Bjorn Hoffmann | 3-6, 6-4, 1-0(7) |
| 4th Rd Qualifying | Nathan Brown def. Nathan Griffin | 6-4, 6-7(2), 1-0(5) |
Boys 18 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Kalman Boyd / John McNally def. Nathan Griffin / Joseph Thomas | 6-3, 6-1 |
2014
Boys 18 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Jonathan Deautriell / Alan Sweet def. Nathan Griffin / Daniel Levine | 7-6(6), 7-6(6) |
2013
Boys 16 Singles
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Liam Caruana def. Nathan Griffin | 6-4, 6-7(2), 1-0(5) |
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Jacob Brumm def. Nathan Griffin | 6-3, 6-3 |
Boys 16 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Nathan Griffin / Alex Ross def. Maxwell Cancilla / Chaz Downing | 6-1, 1-6, 1-0(8) |
| 2nd Rd | Nathan Griffin / Alex Ross def. Jordi Arconada / Frances Tiafoe (2) | 6-2, 6-4 |
| 3rd Rd | Adam Ambrozy / Jonathan Deautriell def. Nathan Griffin / Alex Ross | 7-5, 6-7(7), 1-0(7) |