Elina Svitolina becomes the seventh of eight singles players to clinch a spot at the WTA Finals in Shenzhen.
Serena isn't competing in Moscow,currently sitting at No8.Bertens and Bencic,currently No9 and No10 in the race,need to reach the final of Premier level event to pass Serena and move into the Top 8.Bertens and Bencic are on the same half of the draw in Moscow,so it's only possible for one of them to make the final.If one of them makes the final,and if they meet in the s/finals,the winner will qualify.If neither of them makes the final,Serena will qualify.
Groenefeld/Schuurs and Krejcikova/Siniakova complete the doubles final field in Shenzhen.