Hao-Ching Chan Pictures
SINGAPORE - OCTOBER 28: Hao-Ching Chan (R) and Yung-Jan Chan of Republic of China in action in their doubles match against Martina Hingis of Switzerland and Sania Mirza of India during day 6 of the BNP Paribas WTA Finals Singapore at Singapore Sports Hub on October 28, 2016 in Singapore. (Photo by Clive Brunskill/Getty Images)