Singapore hosts WTA Finals 2016 Round robin: Players drawn into two groups of four. Top two players in each group advance to semi-finals Rank W / L 2016 1 Angelique Kerber QUALIFIED 59 17 Two Grand Slam titles, at U.S. and Australian Opens, secured coveted No.1 ranking 2 Agnieszka Radwanska QUALIFIED 51 16 Winner in 2015. Won Beijing title but struggled to make impact in Slams this year 3 Simona Halep QUALIFIED 44 16 Titles in Madrid, Montreal and Bucharest – hoping to better early exit in 2015 4 Karolina Pliskova QUALIFIED 42 20 U.S. Open finalist set to debut at Finals – secured first Premier 5 title in Cincinnati 5 Garbine Muguruza QUALIFIED 34 18 First Grand Slam title at Roland Garros remains only final in topsy-turvy year 6 Madison Keys QUALIFIED 46 15 Finals debut. Two Premier 5 finals and title in Birmingham to break into Top 10 7 Dominka Cibulkova QUALIFIED 50 19 Career-high rank after resurgent 2016 – making six finals and winning three 8 Johanna Konta CONTENDER 44 21 Breakthrough season – could become first British woman in Finals since 1980 Serena Williams, World No. 2, has withdrawn due to shoulder injury Carla Suarez Navarro or Svetlana Kuznetsova can overhaul Konta for remaining berth with title in Moscow at VTB Kremlin Cup Source: WTA Pictures: Getty Images Data correct as of Oct 17