Agnieszka Radwanska of Poland reacts after losing a point to Dominika Cibulkova of Slovakia during their semifinal at the Australian Open tennis championship in Melbourne, Australia, Thursday, Jan. 23, 2014.(AP Photo/Aaron Favila)
Dominika Cibulkova of Slovakia celebrates a point won against Agnieszka Radwanska of Poland during their semifinal at the Australian Open tennis championship in Melbourne, Australia, Thursday, Jan. 23, 2014.(AP Photo/Rick Rycroft)
Dominika Cibulkova of Slovakia celebrates after defeating Agnieszka Radwanska of Poland during their semifinal at the Australian Open tennis championship in Melbourne, Australia, Thursday, Jan. 23, 2014.(AP Photo/Aaron Favila)