Petra Kvitova of the Czech Republic of returns to Ana Ivanovic of 

Petra Kvitova of the Czech Republic of returns to Ana Ivanovic of Serbia during the third day of Dubai Duty Free Tennis Championships in Dubai, United Arab Emirates, Wednesday, Feb. 20, 2013. (AP Photo/Regi Varghese)
Associated Press
Petra Kvitova of the Czech Republic of returns to Ana Ivanovic of Serbia during the third day of Dubai Duty Free Tennis Championships in Dubai, United Arab Emirates, Wednesday, Feb. 20, 2013. (AP Photo/Regi Varghese)
View Comments