'H is for haircut, M is for Mirza' - The A-Z of WTA Finals in Singapore
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F is for fifth. Victory in 2014 gave Serena Williams a third successive title at the season-ending tournament, and her fifth overall. putting her level with Steffi Graf. Only Navratilova has more WTA Finals singles titles, with eight. (Getty)
Singapore hosts its fifth WTA Finals this week. Here we take a fond and fun look back on memorable moments from the previous four years before the move to Shenzhen.