After booking their place in the Auckland Classic singles semi-finals, Serena Williams and Caroline Wozniacki advanced to the doubles final.
Ash Barty shuffered a shock loss in Brisbane but Serena Williams and Naomi Osaka overcame scares ahead of the Australian Open.
In her first match since the 2019 US Open final, Serena Williams beat Camila Giorgi 6-3 6-2 at the Auckland Classic.
We take a look at some of the best grand slam finals of the decade, with the 'Big Three' prominent.
Naomi Osaka will begin the 2020 season alongside a new coach in Wim Fissette.
The couch was proving a comfortable resting spot for Kiki Bertens before she was called upon to replace Naomi Osaka in Shenzhen.
Two-time grand slam champion Naomi Osaka thinks rest and rehabilitation should ensure she is pain-free at the start of next season.
Naomi Osaka's withdrawal saw Kiki Bertens get a late call to compete in the WTA Finals and the Dutchwoman made a winning start.
Australian Open champion Naomi Osaka has pulled out of the WTA Finals and will be replaced by Kiki Bertens.
Whatever happens at the WTA Finals, Ashleigh Barty will end 2019 as world number one after beating Belinda Bencic in three sets.