BNP Paribas WTA Finals: Singapore 2016 - Day One [Getty Images]

SINGAPORE - OCTOBER 23: Simona Halep of Romania celebrates victory in her singles match against Madison Keys of the United States during day 1 of the BNP Paribas WTA Finals Singapore at Singapore Sports Hub on October 23, 2016 in Singapore. (Photo by Julian Finney/Getty Images)

Getty Images Sport Julian Finney