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 |  |  | | Lydia Xiao |  | | Residence: | Germantown, MD |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
USTA MAS G16 Challenger #7 L2, September 5, 2009
 USTA MAS G14 Challenger #7 L2, September 12, 2009
 McDonogh Jr. Open L3, September 26, 2009
 West Winds Indoor Sat. #10 L4, November 6, 2009
 Skyline S&H Winter Sat. #1, November 27, 2009
 Potomac Jr. Open #12, December 11, 2009
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | Anna Lu | | 6-0; 6-0 | | Q | Loss | Alina Suyama | | 6-1; 6-4 |
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Bob Wolf Memorial Classic L3, December 26, 2009
 Annandale Sport & Health Open L4, January 1, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Loss | Ines Vias | 398 | 6-3; 6-1 |
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Potomac Jr. Open #2 L5, January 29, 2010
 USTA MAS G16 Challenger #1, February 6, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Kathryn Clark | | Wo (emerg)WoJ* | | 16 | Loss | Elizabeth Stewart | 82 | Wd (emerg)WI* |
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USTA MAS G14 Challenger #1 L2, February 19, 2010
 Regency Jr. Open #2 L5, February 26, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | Whitley Quan | 2554 | 0-6; 6-3; 11-9 | | Q | Win | Alexis Iderman | | 6-1; 6-1 | | S | Loss | Kathryn Clark | | 6-4; 6-1 |
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Potomac Jr. Open #3 L5, March 19, 2010
 USTA MAS G14 Chmp. #2 L1, March 27, 2010
 Raintree Tr. Ctr. Classic L3, April 10, 2010
 USTA MAS G18 Challenger #2 L2, April 24, 2010
 USTA MAS G16 Challenger #3, May 8, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Jane Awad | 306 | 6-1; 6-0 |
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Georgetown Prep Jr. Open L3, June 4, 2010
 USTA MAS BG18-16 Chmp. #3, June 18, 2010
 39th Jefferson Jr. Open, June 29, 2010
 Peggy Dallam Clay L3, July 5, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Arianna Spirtos | 1353 | 6-2; 4-6; 6-3 | | 16 | Loss | Erdenesuren Erdenebat | | 6-2; 6-1 |
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Dst. of Columbia Jr. Open L3, July 8, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | Stacey Zhou | | 6-3; 6-3 | | Q | Loss | Mayada Audeh | 1040 | 6-4; 6-3 |
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+ Strong win over an ineligible player. * The ranking calculation does not count this match.
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