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 |  |  | | Jonathan Hammel |  | | Residence: | Placentia, CA |
| Birthplace: | Unknown | | Birthdate: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Esme Pearson Memorial Tourn., January 2, 2010
 59th Gene Jung Whittier Midwinter, January 16, 2010
 65th Fullerton Jr. Tourn., January 30, 2010
 USTA National Open, February 13, 2010
 29th Woody Hunt Mem. South Bay Tourn., February 27, 2010
 76th Harper Ink Mem. Tourn., March 27, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Win | Garret Gooch | | 6-0; 6-2 | | 64 | Loss | Boris Bogomolov | | 6-4; 6-4 |
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USTA International Spring Chmps., April 5, 2010
 The Easter Bowl Spring Nat'l, April 11, 2010
 26th Anaheim TC Tourn., May 1, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Loss | Syogo Shimizu | | Wd (inj)WJ* |
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95th Santa Barbara Summer Tourn., June 5, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Kona Luu | | 6-1; 6-1 |
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108th So. CA Sectional Chmps., June 19, 2010
 USTA National Opens, July 3, 2010
 USTA B18-16 National Clay Court Chmps., July 18, 2010
 USTA National BG18-16 Chmps., August 6, 2010
 Carmel Valley AC Fall Jr. Chmps., September 3, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Christopher Kipouras | | 7-6; 6-1 | | 1 | Loss | Erik Lim | | 6-4; 7-5 |
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26th Los Caballeros Jr., September 11, 2010
 47th Northridge-Matador Tourn., September 25, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Win | Darius Frick | | Wd (inj)WJ* | | 64 | Loss | Lucas Ricor Da Silveira | | Wo (inj)WoJ* |
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The Orange County Jr. Open, October 23, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 256 | Win | Ganesh Alagappan | | 7-5; 4-6; 6-1 | | 128 | Win | Austin Graham | | 7-5; 7-5 | | 64 | Loss | Shane Korber | | 6-2; 6-4 |
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USTA National Open, November 25, 2010
 * The ranking calculation does not count this match.
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