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 |  |  | | Katherine Yau |  | | Residence: | Manhasset, NY |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Copper Bowl, January 2, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Win | Natasha Smith | | 6-1; 6-0 | | 64 | Win | Lauren Pick | | 6-2; 6-2 | | 32 | Win | Anita Lee | | 1-6; 6-2; 7-5 | | 16 | Loss | Melissa Emile Kandinata | 58 | 6-4; 3-6; 7-6(6) | | 4 | Win | Meghan Sheehan Dizon | 271 | 6-0; 7-6(3) | | QQ | Loss | Hailey Johnson | | 6-2; 6-2 |
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L1 Eastern G16 Des. Closed Chmps., January 8, 2010
 USTA National Open, February 13, 2010
 L1 Eastern BG18 Des. Closed Chmps., February 26, 2010
 L1 Eastern G16 Des. Closed Chmps., March 19, 2010
 L1 Eastside Eastern Des. Closed Chmps., April 16, 2010
 L1 Sportime Lynbrook G18 Des., May 21, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Natalie Cruz | | Wd (inj)WJ* | | 16 | Win | Isabel Camacho | | 6-1; 6-1 | | Q | Win | Shelby Talcott | + | 6-3; 4-6; 7-5 | | S | Loss | Tina Jiang | 40 | 6-2; 6-1 | | PL | Loss | Akiko Okuda | 84 | 7-5; 5-7; 6-2 |
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L1 Eastern Des. Closed Chmps. BG18-16, June 4, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Kathryn Hoch | 156 | Wd (inj)WJ* |
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USTA National Opens, July 3, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Ali Evers | | 6-2; 6-1 | | 32 | Win | Natalie Heffron | + | 0-6; 6-4; 6-4 | | 16 | Loss | Taylor Townsend | 22 | 6-1; 6-1 | | 3 | Loss | Ama Osei | | 4-6; 6-4; 10-5 |
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Intersectional Team Championships, July 11, 2010
 USTA G16 National Clay Court Chmps., July 18, 2010
 L1 Golds Gym Dewitt Eastern Des. Closed, September 3, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Amanda Muliawan | | Wd (inj)WJ* |
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L1 RWTTC Eastern Des. G18, October 1, 2010
 L1 Tiger Eastern Des. G18, October 15, 2010
 L1 Jersey 34 Eastern Des. Closed G18, October 29, 2010
 USTA National Open, November 25, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Abbey Hamstra | 820 | 6-2; 6-0 | | 32 | Win | Meredith Maltby | 188 | 6-3; 6-3 | | 16 | Loss | Rachael Reed | | 6-3; 6-1 | | 3 | Loss | Sophie Panarese | | 4-6; 6-4; 10-6 |
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USTA Winter National Chmps., December 27, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Loss | Lindsey Kostas | 72 | 6-4; 6-0 | | 1 | Win | Sylvia Li | + | 6-1; 6-4 | | 2 | Win | Kasey Gardiner | + | 6-1; 6-2 | | 3Q | Loss | Riko Shimizu | | 6-3; 6-1 |
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+ Strong win over an ineligible player. * The ranking calculation does not count this match.
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