C.J. Griffin
| Division | 18 |
| Home Town | Portland, MI |
| USTA Section | Midwest (MWTA) |
| Singles Line | 115 |
| Singles Seed | 0 |
| Doubles Line | 66 |
| Doubles Seed | 0 |
2008
Boys 18 Singles
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Connor Smith def. C.J. Griffin | 6-1, 6-3 |
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Jonathan Pine def. C.J. Griffin | 6-4, 6-3 |
Boys 18 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Adam Donaldson / Reese Milner def. C.J. Griffin / Ryan Anthony Ybarra | 6-3, 6-3 |
2007
Boys 18 Singles
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | C.J. Griffin def. Kevin Galloway | 6-7(9), 6-4, 6-0 |
| 3rd Rd Qualifying | C.J. Griffin def. Kyle McMorrow | 6-4, 6-2 |
| 3rd Rd | C.J. Griffin def. Austin Klores | 6-2, 6-2 |
| 4th Rd Qualifying | Michael Sicora def. C.J. Griffin | 4-6, 6-2, 6-4 |
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Drew Daniel def. C.J. Griffin | 6-2, 6-3 |
Boys 18 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Derek Carpenter / C.J. Griffin def. Fletcher Keyes / Jonathan Ribaste | 1-6, 6-2, 6-4 |
| 2nd Rd | Michael Sicora / Paul Swanson def. Derek Carpenter / C.J. Griffin | 6-2, 2-6, 6-4 |
2006
Boys 16 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Reese Milner def. C.J. Griffin | 6-4, 7-5 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 2nd Rd | C.J. Griffin def. Dylan Schrode | 5-7, 7-6(4), 5-0 Ret(inj) |
| 3rd Rd Qualifying | Stephen Vogl def. C.J. Griffin | 6-3, 6-1 |
Boys 16 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Harry Fowler / C.J. Griffin def. Wes Nelson / William Schumacher | 6-3, 7-5 |
| 3rd Rd | Jordan Cox / Evan King (16) def. Harry Fowler / C.J. Griffin | 7-5, 7-6(4) |