On 11 October 2010, she reached her best singles ranking of world number 74. On 14 January 2008, she peaked at world number 40 in the doubles rankings. As a junior, Voráčová reached a career-high ranking of world number 4 in singles and number 3 in doubles.
One of the highlights of her junior tennis career was winning the 2001 French Open doubles title with Petra Cetkovská.
Doubles (9–5) Women's Tennis Association 125K series finals = Doubles (1–0) Doubles.