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 |  |  | | Derek Tzeng |  | | Residence: | Fremont, CA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Lafayette Tennis Club Open & Nov., January 30, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | David De Leon | | 6-7(3); 6-2; 10-6 | | Q | Win | Derek Tsay | | 1-6; 6-4; 10-5 |
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Seascape President's Day Open/Chal., February 13, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | Jeremy Csimma | 843 | 2-6; 6-4; 1-0(6) | | Q | Win | Kyle Richter | | Wd (ill)WI* | | S | Win | Michael Chang | + | 6-2; 6-4 | | F | Loss | Roshan Sriram | | 6-3; 4-6; 1-0(2) |
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Johnson Ranch BG18-10 Chmps., February 27, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Andrew Pises | | 6-1; 6-1 |
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Modesto Jr. Chmps., March 13, 2010
 Diamond Hills Jr. Chmps., March 27, 2010
 Discovery Bay Jr. Open, April 3, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Loss | Kyle Reynolds | | 0-6; 7-6(5); 10-8 |
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Spare Time Jr. Chmps., April 10, 2010
 Rio Del Oro Chmp. Tourn., April 24, 2010
 The Elena Cadet Mem. Open, May 1, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Eric Slamovich | | 6-3; 6-3 | | S | Loss | Justin Archer | | 6-2; 6-2 | | PL | Win | William Boyd | 1345 | Wo (inj)WoJ* |
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Fremont TC BG18-10 Open, May 8, 2010
 USTA National Opens, May 22, 2010
 Santa Cruz Acad. Open/Chal., June 11, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | Rohan Shankar | 799 | 6-2; 6-2 | | Q | Win | David De Leon | | 6-0; 3-6; 10-5 | | S | Win | Jonathan Katzman | | 4-6; 6-1; 10-7 | | F | Win | Kevin Chen | | 10-7 |
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NorCal BG18-16 Sectional Chmps., June 14, 2010
 Saratoga Jr. Open, June 21, 2010
 Seascape Summer Kickoff Open, June 26, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Alden Mitchell | | 6-2; 6-3 | | S | Loss | Nathan Law | 220 | 6-0; 4-6; 1-0(8) | | PL | Loss | Garrick Dzoan | 621 | 6-1; 6-3 |
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USTA National Opens, July 3, 2010
 LTC Heat Wave Open, July 17, 2010
 Fremont TC Jr. Open, July 19, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Loss | David Hsu | 78 | 7-5; 6-2 |
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Santa Cruz TA Jr. Open, July 24, 2010
 Zone Team BG16 - Salt Lake, July 28, 2010
 West Coast Chmps., August 2, 2010
 Walnut Creek Northgate Open, August 7, 2010
 Santa Cruz Open, August 14, 2010
 Lafayette TC Fall Open, September 4, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Joe Rivera | 790 | 6-0; 6-7(3); 10-1 | | S | Win | Stanislav Nikulchikov | | Wd (inj)WJ* | | F | Win | Andrew Pises | + | 6-4; 0-6; 10-3 |
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Courtside Jr. Chmp., September 18, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Michael Huh | | 6-0; 6-0 | | 32 | Loss | Jon Wang | | 7-5; 6-0 |
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Fremont TC Jr. Chmps., October 2, 2010
 Solano BG18,16 Jr. Excellence, October 16, 2010
 Legler-Roberts Tennis Chmps., October 30, 2010
 + Strong win over an ineligible player. * The ranking calculation does not count this match.
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