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 |  |  | | Chaz Downing |  | | Residence: | Newport Coast, CA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
USTA National Open, February 13, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | CQ | Loss | Billy Rowe | 1171 | 6-1; 6-1 |
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54th Long Beach Jr. Tourn., March 13, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Gregory Lyon | 514 | 4-6; 6-2; 6-0 |
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94th Dudley Cup Jr. Open, April 3, 2010
 Desert Princess Jr. Tourn., April 16, 2010
 31st Cerritos Spring BG18-8, May 8, 2010
 23rd Powell Blankenship Mem. Open, May 15, 2010
 10th West Coast South Bay Open, June 5, 2010
 108th So. CA Sectional Chmps., June 19, 2010
 USTA National Opens, July 3, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Evan Nguyen | 1235 | 6-3; 6-4 |
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Canyon Crest Summer Open Tourn., July 17, 2010
 12th Upland Jr. Tourn., August 14, 2010
 32nd Racquet Centre Open Tourn., August 21, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | S | Win | Alex Yang | 4055 | 6-2; 6-2 |
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26th Los Caballeros Jr., September 11, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Billy Rowe | 1171 | 6-3; 6-3 |
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47th Northridge-Matador Tourn., September 25, 2010
 The Orange County Jr. Open, October 23, 2010
 * The ranking calculation does not count this match.
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