Order by Rank Order by Name Order by Section		Girls' 16 Singles    Player Record    Jona Roka Residence:    Lorton, VA Birthplace:    Unknown Age: Unknown Height: Unknown Plays: Unknown Coaching: Unknown Complete Bio Overall Record: 28-19 #291 on this 2013 National Junior Standings  Print Record USTA MAS Championship #3, June 19, 2012 Rnd Result Opponent   Rank Score  32 Win Katie Gauch   1988 6-1; 6-2 16 Loss Cameron Corse   221 6-3; 6-2 3 Win Gabrielle Centenari   601 6-1; 6-3 QQ Win Katie Marvin   663 6-1; 6-4 CQ Win Sydney Rider   198 6-2; 7-5 CS Loss Naomi Waters   476 6-2; 6-2 USTA Regional Tourn. (New Haven), July 7, 2012 Rnd Result Opponent   Rank Score  64 Win Emma Navarro   643 Wd (emerg)WI* 32 Loss Amber Policare   91 6-0; 6-3 2 Loss Victoria Hu     Wo (ill)WoI* USTA Zonal BG16 - Winston Salem, July 25, 2012 Rnd Result Opponent   Rank Score  RR Win Brooke Croxton   897 4-6; 6-2; 6-3 RR Win Casey Marx   206 6-1; 6-7(6); 6-3 RR Win Lisa Jouravleva   415 6-3; 6-3 RR Win Stefani Lineva   586 6-0; 6-1 RR Win Carley Hatcliff   544 6-2; 6-0 USTA G14 National Chmps., August 4, 2012 Rnd Result Opponent   Rank Score  128 Win Alexandra Abele   490 6-2;6-3 64 Win Jacqueline Cochrane   331 4-6;6-1;6-0 32 Loss Samantha Martinelli   78 6-2;6-4 1-NE Loss Jade Lewis   140 2-6;6-2;1-0(7) USTA MAS BG18 Challenger #6 L2, September 8, 2012 Rnd Result Opponent   Rank Score  64 Win Kathleen DeCosse   611 2-6; 6-2; 6-3 32 Win Maria Hawkins     6-0; 6-1 16 Win Jane Awad   565 6-3; 6-4 Q Win Julia Potter   1394 6-3; 6-2 S Win Dylan Owens   203 Wo (inj)WoJ* F Loss Alexandra Baer   232 6-4; 6-3 USTA MAS G16 Championship #4, October 13, 2012 Rnd Result Opponent   Rank Score  32 Loss Michelle Castro     7-5; 6-3 1 Win Alexandra Zachem     6-4; 6-0 2 Win Katia Jordan     6-0; 6-1 QQ Win Olivia Gaudreault     6-4; 6-2 CQ Win Kristina Centenari     4-6; 6-1; 6-2 CS Loss Alexandra Baer     4-6; 6-3; 6-1 USTA Regional Tourn. (Queen Village), October 27, 2012 Rnd Result Opponent   Rank Score  32 Loss Madison Battaglia   133 7-5; 6-0 1 Win Ananya Dua   569 6-2; 6-3 2 Win Sunaina Vohra   526 6-1; 6-3 QQ Loss Sabrina Xiong   92 5-7; 3-2Ret (inj)RJ USTA MAS G18 Challenger #7, November 10, 2012 Rnd Result Opponent   Rank Score  32 Win Arianna Spirtos   665 7-5; 6-0 16 Loss Sophie Chang   77 6-1; 6-2 USTA National Open, November 23, 2012 Rnd Result Opponent   Rank Score  32 Loss Hannah Dahlem     6-2; 6-3 1 Win Sophia Abelson   269 7-6(6); 7-6(2) 2 Win Danielle Wolf   187 6-2; 6-1 QQ Loss Jessica Livianu   99 7-5; 6-3 USTA MAS G18 Challenger #8, December 1, 2012 Rnd Result Opponent   Rank Score  32 Loss Naomi Waters   476 Wo (ill)WoI* 51st Jr. Orange Bowl Intl. Chmps., December 14, 2012 Rnd Result Opponent   Rank Score  256 Loss Ekaterina Korzhova     4-6; 6-2; 6-3 USTA MAS G18 Chmp. #2, March 2, 2013 Rnd Result Opponent   Rank Score  32 Win Savannah Graham     6-3; 6-1 16 Win Dylan Owens   203 6-4; 6-2 Q Loss Caroline Lampl   43 6-0; 6-0 CQ Loss Sydney Rider     6-3; 6-3 USTA MAS Challenger #2 BG18, April 27, 2013 Rnd Result Opponent   Rank Score  32 Win Ava Todd     7-5; 6-7(4); 6-4 16 Win Jane Awad   565 6-0; 6-1 Q Loss Cameron Corse   221 3-6; 7-6(4); 6-4 USTA National Open, May 11, 2013 Rnd Result Opponent   Rank Score  32 Loss M'Balia Bangoura   163 6-3; 6-1 1 Loss Hannah Templeton   268 6-2; 6-2 * The ranking calculation does not count this match.
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