Naomi Osaka withdrew from the Shenzhen WTA Finals because of a shoulder injury.  Osaka beat Petra Kvitova in 3 sets in her first match and was due to face Ashleigh Barty.

Osaka was replaced in the Red Group by alternate Kiki Bertens, who went on to beat Ashleigh Barty

All four players in the red group – Bertens, Barty, Kvitova and Bencic remain in contention  for the semi finals. In the next set of matches, Belinda Bencic will meet Bertens, and Kvitova will take on Barty.

The WTA finals has featured a lot of exciting 3-set matches. Simona Halep beat Bianca Andreescu in a much anticipated encounter.  Halep came back from a set down, saved a match point, and went on to win the match.

In upcoming  Purple Group matches, Simona Halep plays Elina Svitolina and Karolina Pliskova plays Bianca Andreescu. Simona Halep and Elina Svitolina are both undefeated in Shenzhen.