Danielle Collins, Australian Open 2019 (Getty)
January 20, 2019
Unseeded American Danielle Collins stunned former champion Angelique Kerber with the loss of just two games to reach her maiden Grand Slam quarterfinal at the Australian Open.
Ashleigh Barty (Getty Images)
January 20, 2019
Ashleigh Barty came back from a set down against Maria Sharapova to seal her spot into the first Grand Slam quarterfinal of her career at the Australian Open.
Petra Kvitova (Getty Images)
January 20, 2019
Two-time Wimbledon champion Petra Kvitova drew from her long experience to defeat American youngster Amanda Anisimova and reach the Australian Open quarterfinals.
Petra Kvitova
January 19, 2019
All the key facts and talking points as the second week of the first Slam of 2019 gets under way.
January 19, 2019
World No.1 Simona Halep says she's ready for the challenge as she prepares to face Serena Williams in the Australian Open Round of 16.
January 19, 2019
Who's in pole position to overtake Simona Halep? WTA Insider has the No.1 ranking scenarios heading into the Round of 16 at the Australian Open.
Karolina Pliskova - Australian Open 2019 - Getty
January 19, 2019
Two-time Australian Open quarterfinalist Karolina Pliskova planted her flag in the second week for the third consecutive year with a hard-fought, three-sets defeat of Camila Giorgi.
Simona Halep, 2019 Australian Open (Getty)
January 19, 2019
World No.1 Simona Halep eased past seven-time Grand Slam champion Venus Williams, to queue up a scintillating fourth-round tilt with Serena Williams at the 2019 Australian Open.
Garbiñe Muguruza - Australian Open 2019 - Getty
January 19, 2019
Former World No.1 Garbiñe Muguruza showed no ill effects from her 3am finish two nights ago in defeating Timea Bacsinszky in straight sets to reach the second week of the Australian Open for the fourth time.
January 19, 2019
Re-live the action as World No.1 Simona Halep found her form to defeat Venus Williams and advance to the Round of 16 at the Australian Open, where Serena Williams awaits.
Madison Keys, Australian Open 2019 (©Jimmie48/WTA)
January 19, 2019
No.17 seed Madison Keys dropped just five games to see off 2018 semifinalist Elise Mertens and reach the second week at the Australian Open.
Serena Williams, 2019 Australian Open (Getty)
January 19, 2019
23-time Grand Slam champion Serena Williams put on a stellar display to oust teenager Dayana Yastremska and ease into the second week of the 2019 Australian Open.