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 |  |  | | Jonathan Hammel |  | | Residence: | Placentia, CA |
| Birthplace: | Unknown | | Birthdate: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Esme Pearson Memorial January Tourn., January 8, 2005
 54th Gene Jung Whittier Midwinter Jr., January 22, 2005
 61st Fullerton Jr. Tourn., February 5, 2005
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Loss | Jim Myers | | 6-4; 6-4 |
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24th Woody Hunt Memorial South Bay Jr, February 26, 2005
 49th Long Beach Jr Championships, March 12, 2005
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Derek Wong | | 6-1;6-4 |
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21st Anaheim Tennis Center Jr. Tourn., April 30, 2005
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Tevin Smith | + | 6-3; 6-3 | | 32 | Loss | Gregory Scott | 64 | 6-0; 6-0 |
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Quiksilver Junior Championships, May 28, 2005
 103rd Southern California Jr. Sectional, June 18, 2005
 21st Annual Los Caballeros Jr. Tourn., September 10, 2005
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Loss | Anthony Su | 173 | 6-1; 6-1 |
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20th Annual J.P. Yamasaki Mem. Jr. Tourn, October 22, 2005
 USTA National Opens, November 24, 2005
 USTA National Winter Chmps., December 27, 2005
 + Strong win over an ineligible player. * The ranking calculation does not count this match.
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