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 |  |  | | Lauren Ko |  | | Residence: | San Gabriel, CA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Esme Pearson Memorial Jr. Open Tourn., May 19, 2012
 27th Anaheim Hills Jr. Open Tourn., June 2, 2012
 110th So. California Sectional Chmps., June 16, 2012
 USTA Regional Tourn. (Irvine), July 7, 2012
 4th Jim Buck BG12 Team, August 24, 2012
 28th Los Caballeros Jr. Open Tourn., September 8, 2012
 49th Northridge-Matador Jr. Open Tourn., September 22, 2012
 The Orange Co./J.P. Yamasaki Open, October 6, 2012
 USTA Regional Tourn. (Claremont), October 27, 2012
 USTA National Winter Chmps., December 27, 2012
 USTA Regional Tourn. (Las Vegas), January 26, 2013
 68th Annual Fullerton Jr. Tourn., February 2, 2013
 USTA National Open, February 23, 2013
 56th Long Beach Jr. Tourn., March 9, 2013
 Andulka Park Spring Open Chmps., March 23, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | Shweta Kumar | 114 | 6-1; 6-1 | | Q | Win | Jeran Heistermann | | 6-0; 6-1 | | S | Win | Dyala Harb | | 6-2; 6-1 | | F | Win | Emilia Gorczyca | + | 6-1; 4-6; 6-2 |
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13th Manhattan Beach Open/Sat., April 19, 2013
 29th Anaheim TC Spring Open Tourn., April 27, 2013
 USTA National Open, May 11, 2013
 + Strong win over an ineligible player. * The ranking calculation does not count this match.
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