Dominika Cibulkova of Slovakia plays a shot to Petra Kvitova of the Czech Republic at the Sydney International tennis tournament in Sydney, Australia, Sunday, Jan. 6, 2013. Cibulkova won the match ... more 

Dominika Cibulkova of Slovakia plays a shot to Petra Kvitova of the Czech Republic at the Sydney International tennis tournament in Sydney, Australia, Sunday, Jan. 6, 2013. Cibulkova won the match 6-1, 6-1. (AP Photo/Rick Rycroft) less