Iva Majoli Pictures
SINGAPORE - OCTOBER 29: Martina Hingis (C) of Switzerland poses with (L-R) Melissa Pine, WTA Finals Tournament Director, Micky Lawler, WTA President, Steve Simon, WTA CEO, Chan Yung-Jan of Chinese Taipei and WTA Legend Ambassadors Iva Majoli and Mary Pierce (R) during her retirement ceremony during day 8 of the BNP Paribas WTA Finals Singapore presented by SC Global at Singapore Sports Hub on October 29, 2017 in Singapore. (Photo by Julian Finney/Getty Images for WTA)