BNP Paribas WTA Finals: Singapore 2015 - Previews [Getty Images]

SINGAPORE - OCTOBER 24: Simona Halep of Romania practices with her coach Darren Cahill prior to the BNP Paribas WTA Finals at OCBC Arena on October 24, 2015 in Singapore. (Photo by Julian Finney/Getty Images)

Getty Images Sport Julian Finney