Petra Kvitova of Czech Republic celebrates with the trophy after defeating Victoria Azarenka of Belarus during day six of the season ending TEB BNP Paribas WTA Championships Tennis at the Sinan Erdem Stadium on October 30, 2011 in Istanbul, Turkey.

Wimbledon champion Petra Kvitova has been honored as the WTA's player of the year for 2011 to cap her breakthrough season.

The 21-year-old Kvitova went 60-13 with six singles titles, including at the season-ending tour championships, and rose from No. 34 to No. 2 in the rankings. She helped the Czech Republic win the Fed Cup and won more than US$5 million in prize money. Kvitova also won for most improved player and sportsmanship.