SINGAPORE - OCTOBER 31: Champion Dominika Cibulkova of Slovakia poses with the Billie Jean King trophy after her victory against Angelique Kerber of Germany at Clifford Pier on October 31, 2016 in Singapore. (Photo by Julian Finney/Getty Images)

SINGAPORE - OCTOBER 31:  Champion Dominika Cibulkova of Slovakia poses with the Billie Jean King trophy after her victory against Angelique Kerber of Germany at Clifford Pier on October 31, 2016 in Singapore.  (Photo by Julian Finney/Getty Images)