Singapore hosts WTA Finals 2017

Round robin: Players drawn into two groups of four. Top two players in each group advance to semi-finals

Simona Halep ROM
Win / loss 2017: 44-15
Titles 2017: 1
Scooped No.1 ranking via Madrid title, four finals, two semis and six quarter-finals in 17 tournaments

Garbine Muguruza ESP
Win / loss: 46-19
Titles: 2
Wimbledon champion hoping to better early exit in 2016 to regain World No.1 rank

Karolina Pliskova CZE
Win / loss: 51-16
Titles: 3
Aiming to cap frustrating season after struggling to build on promise of U.S. Open final in 2016

Elina Svitolina UKR
Win / loss: 51-12
Titles: 5
Finals debut. Premier 5 titles in Doha, Rome and Toronto to break into women’s elite

Caroline Wozniacki DEN
Win / loss: 55-20
Titles: 1
Fifth appearance. Won Tokyo title but failed to make much impact in Slams this year

Venus Williams USA
Win / loss: 34-11
Titles: 0
First Finals berth since 2009. Resurgent season – finalist at Australian Open and Wimbledon

Jelena Ostapenko LAT
Win / loss: 47-18
Titles: 2
Career-high rank after breakthrough season – claimed maiden Grand Slam at Roland Garros

Caroline Garcia FRA
Win / loss: 46-20
Titles: 2
Finals debut after two titles, including Premier 5 in Beijing, helped secure last berth in Singapore

Source: WTA
Data correct as of Oct 12
Pictures: Getty Images