The world No.10 will be guided on the tour by a female mentor from next year.
Karolina Pliskova plays Simona Halep for the final spot in the semifinals.
Barty advanced to the semi-finals of the WTA Finals with a straight-sets win over Kvitova, while Bencic progressed when Bertens retired.
The teenage sensation was once described as a 'drama queen' by a fellow player and that is something others have taken note of.
It is all to play for in Shenzhen for Ash Barty and her rivals on Thursday.
Bianca Andreescu will have an MRI Scan on her knee after retiring from her WTA Finals round robin match with Karolina Pliskova.
Elina Svitolina beat Simona Halep in straight sets in confident style to book her place in the semi-finals at the WTA Finals in Shenzhen.
The 38-year-old opens up about her future intentions in the sport.
Simona Halep and Elina Svitolina will battle to take a commanding lead in the Purple Group, while Bianca Andreescu and Karolina Pliskova fight to keep their...
Belinda Bencic withstood a second-set fightback from Petra Kvitova to earn a vital win that keeps her in the running at the 2019 WTA Finals.
Kiki Bertens has left the Red Group wide open after beating Ash Barty for the first time in her career at the WTA Finals.
There is bad news for fans of the two-time grand slam champion
The Australian Open champion battles the Australian world No.1 for the lead in the Red Group.
Simona Halep saved a match point to win her first match at the WTA Finals, beating Bianca Andreescu in three sets.
Ash Barty finishes day one at the top of the Red Group at the WTA Finals after a three set win over Belinda Bencic.
The 21-year-old has continued her love affair with WTA Tournaments in China.
The top eight women in the world are all present for this event’s debut in Shenzhen, with significantly increased prize money.
Petra Kvitová has praised a 'difficult' draw in Shenzhen as she begins her campaign on Sunday against Naomi Osaka.
World number one Ash Barty has been handed a difficult draw for the season-ending finale in Shenzhen.
The former world No.1 shares her view on the upcoming comeback of the Belgian player.