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 |  |  | Jona Roka |  | Residence: | Lorton, VA |
Birthplace: | Unknown | Age: | Unknown | Height: | Unknown | Plays: | Unknown | Coaching: | Unknown |  | Complete Bio | |
USTA MAS G12 Chmp. #1 L1, January 16, 2010
 USTA National Open, February 13, 2010
 USTA MAS G14 Challenger #1 L2, February 19, 2010
 USTA MAS G12 Championship #2 L1, March 20, 2010
 USTA MAS G14 Challenger #3, May 8, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | 16 | Win | Emily Cox | 1575 | 6-1; 7-5 |
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USTA National Open BG12, May 22, 2010
 USTA MAS BG18-16 Chmp. #3, June 18, 2010
 USTA National Opens, July 3, 2010
 USTA MAS G14 Challenger #4 L2, July 9, 2010
 Zone Team BG12 - Knoxville, July 28, 2010
 USTA G12 National Chmps., August 7, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | 1-N | Loss | Anna Bright | 1148 | 6-0; 6-2 |
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USTA MAS Championship #4 L1, October 2, 2010
 USTA National Open, November 25, 2010
 USTA MAS G14 Challenger #8, December 11, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | S | Win | Emily Cox | 1575 | 6-1; 6-4 |
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* The ranking calculation does not count this match.
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