SHENZHEN, CHINA - OCTOBER 25: Petra Kvitova of the Czech Republic, Naomi Osaka of Japan, Elina Svitolina of Ukraine, Ashleigh Barty of Australia, Simona Halep of Romania, Bianca Andreescu of Canada, Belinda Bencic of Switzerland and Karolina Pliskova of the Czech Republic pose for a selfie ahead of the 2019 WTA Finals at Lotus Hill Park on October 25, 2019 in Shenzhen, China. (Photo by Clive Brunskill/Getty Images)
