| |  | 
  | |  |
 |  |  | | Billy Grokenberger |  | | Residence: | Santa Barbara, CA |
| Birthplace: | Unknown | | Birthdate: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Esme Pearson Memorial Tourn., January 6, 2007
 62nd Fullerton Jr Tourn., February 3, 2007
 USTA National Opens, February 17, 2007
 26th Woody Hunt Mem. South Bay, March 3, 2007
 51st Long Beach Jr. Tourn., March 17, 2007
 23rd Anaheim TC Tourn., May 5, 2007
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Loss | Razmun Gouneili | | Wd (inj)WJ* |
|  |  |
92nd Santa Barbara Summer Tourn., June 2, 2007
 105th SoCal Sectional Chmps., June 16, 2007
 USTA National Opens, June 30, 2007
 Burger King Southern Open BG16 Chmps., July 8, 2007
 USTA B18-16 Clay Court Chmps., July 15, 2007
 36th Knowlwood Jr. Tourn., July 26, 2007
 23rd Los Caballeros Jr., September 8, 2007
 44th Northridge-Matador Tourn., September 22, 2007
 21st SCTA Central Coast GP Masters, October 6, 2007
 Wilson Jr. Chmps., October 6, 2007
 Orange County Jr. Open, October 20, 2007
 California Bowl, December 15, 2007
 * The ranking calculation does not count this match.
| |  |  | |