WTA Finals official draw ceremony held in Singapore

France's Caroline Garcia, Denmark's Caroline Wozniacki, Ukraine's Elina Svitolina, Romania's Simona Halep, Spain's Garbine Muguruza, Czech's Karolina Pliskova, United States' Venus Williams and Latvia's Jelena Ostapenko (From L to R) pose for photos during the WTA Finals official draw ceremony held in Singapore on Oct. 20, 2017.(Xinhua/Then Chih Wey)