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 |  |  | | Derek Chen |  | | Residence: | San Gabriel, CA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
67th Annual Fullerton Jr. Tourn., January 28, 2012
 31st Woody Hunt Mem. South Bay Tourn., February 11, 2012
 3rd Cerritos Reg. Park Open Tourn., February 18, 2012
 55th Long Beach Jr. Tourn., March 3, 2012
 78th Harper Ink Jr. Open Tourn., March 17, 2012
 25th Arcadia Open Jr. Tourn., April 7, 2012
 Anaheim TC Spring Jr. Open Tourn., April 28, 2012
 33rd Lakewood Spring Jr. Open Tourn., May 5, 2012
 16th West Coast Jr. Open & Sat. Tourn., May 26, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Nick Tran | | Wd (emerg)WI* | | 32 | Loss | Joseph Rotheram | | 6-3; 6-7; 10-6 |
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97th Santa Barbara Summer Tourn., June 2, 2012
 110th So. California Sectional Chmps., June 16, 2012
 Jackie Tatum Classic, June 30, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | Steven Sun | | 6-1; 6-2 | | Q | Win | Cameron McDonald | | 6-3; 6-2 | | S | Win | Trent Wong | | 6-2; 6-4 | | F | Loss | Brandon Michaels | | 6-3; 7-5 |
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USTA Regional Tourn. (Irvine), July 7, 2012
 Canyon Crest Summer Jr. Open Tourn., July 14, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Alejandro Estrada | + | 6-2; 6-3 | | 16 | Win | Chad Cruz | | 6-0; 6-1 | | Q | Loss | Alfred Simental | | 4-6; 7-6; 6-3 |
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USTA Zonal BG14 - USAF, July 25, 2012
 35th Lakewood Summer Jr. Tourn., August 4, 2012
 USTA B14 National Chmps., August 5, 2012
 La Habra Summer Jr. Open Chmps., August 6, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Chad Cruz | | Wd (inj)WJ* |
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34th Racquet Centre Jr. Open Tourn., August 18, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Noah Lawson | | 6-0; 6-1 | | 16 | Loss | Nicholas Borchenko | | 6-3; 6-3 |
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14th Ramada TC Jr. Open Tourn., September 1, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Vance La | | 6-1; 6-2 | | 16 | Win | Andrew Mashhadi | | 6-1; 6-4 | | Q | Loss | Jacob Brumm | 16 | 6-2; 6-1 |
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28th Los Caballeros Jr. Open Tourn., September 8, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Win | Dylan Wong | | 6-1; 6-0 | | 64 | Loss | Kalman Boyd | | 6-2; 6-2 |
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58Th Annual Lynn Scott Memorial Riversid, September 15, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Brandon Lam | 74 | 6-3; 6-4 |
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49th Northridge-Matador Jr. Open Tourn., September 22, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Win | Jack Damen | + | 6-1; 6-2 | | 64 | Loss | Garret Vincent | | 6-3; 6-3 |
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The Orange Co./J.P. Yamasaki Open, October 6, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 256 | Win | Max Nudell | | 4-6; 6-3; 6-3 | | 128 | Loss | Kalman Boyd | | 6-0; 6-1 |
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68th Itennis Rose Bowl Jr. Chmps., October 20, 2012
 21st Westcoast Winter Jr. Open/Sat., November 17, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Patrick Mai | | 6-0; 6-1 | | 32 | Win | Samuel Kang | | 6-4; 6-3 | | 16 | Loss | Ryan Andrews | | 6-1; 5-7; 11-9 |
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49th Annual Anaheim Jr. Tourn., December 1, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Win | Rohan Lageweg | | 6-1; 6-1 | | 64 | Win | Aaron Yu | | 6-3; 6-3 | | 32 | Loss | Ryan Cheng | 20 | 6-1; 6-3 |
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Lakewood Winter Jr. Open Tourn., January 5, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Diego Bennett | | 6-2; 6-2 | | 16 | Loss | Alex Wong | | 2-2Ret (inj)RJ |
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62nd Gene Jung Whittier Midwinter Tourn., January 19, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Loss | Ryan Hahn | | Wd (ill)WI* |
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+ Strong win over an ineligible player. * The ranking calculation does not count this match.
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