SINGAPORE - OCTOBER 25: Simona Halep of Romania in action against Flavia Pennetta of Italy in a round robin match during the BNP Paribas WTA Finals at Singapore Sports Hub on October 25, 2015 in Singapore. (Photo by Clive Brunskill/Getty Images)
SINGAPORE - OCTOBER 25: Simona Halep of Romania in action against Flavia Pennetta of Italy in a round robin match during the BNP Paribas WTA Finals at Singapore Sports Hub on October 25, 2015 in Singapore. (Photo by Clive Brunskill/Getty Images)