U.S. Open 2015: Women’s preview Rank 1 Serena Williams (USA) Age: 33 This time last year she had 17 major titles, but has won the last four and will complete the elusive calendar Grand Slam, and tie Steffi Graf’s tally of 22, with victory here 2 Simona Halep (ROM) Age: 35 Reached back-to-back finals in Toronto and Cincinnati, losing to Belinda Bencic and Serena Williams respectively, but has yet to advance past fourth round at U.S. Open 3 Maria Sharapova (RUS) Age: 28 Champion here in 2006, on arguably her least favourite surface. Will hope to avoid nemesis Serena Williams, whom she has not beaten since 2004, in bid to win second title 4 Caroline Wozniacki (DEN) Age: 25 Resurgence over last two years has taken her back to top four for first time since 2012. Reached final at Flushing Meadows last year, losing to good friend Serena Williams PLAYER RECORD 2015 win-loss 2015 titles Career titles Grand Slams Williams 48-2 5 69 21 Halep 40-11 3 11 0 Sharapova 34-7 2 35 5 Wozniacki 30-16 1 23 0 Data correct as of Aug 26 Source: WTA Pictures: Getty Images