Novak Djokovic, Coco Gauff roll to Australian Open's 4th round. Naomi Osaka retires due to injury and Jessica Pegula was upset in the third round.

World No.1 Aryna Sabalenka kicks off the second week of the Australian Open against teenager Mirra Andreeva, while Coco Gauff takes on Belinda Bencic for a spot in the quarterfinals.

Defending champion Aryna Sabalenka knocks out teenager Mirra Andreeva on Rod Laver Arena; Coco Gauff battles back to set up showdown with Spaniard Paula Badosa; watch all the action from the ATP and WTA Tours on Sky Sports Tennis and Sky Sports+,

Coco Gauff still hasn't lost a match or even a set at this year's Australian Open. Or this season, actually, early as it is.

The top seed is probably happy with her decision, because now she has to go up against Andreeva again, in a much bigger event. The last time these two played at a Slam, at Roland Garros in 2024, Andreeva pulled off an upset in three close sets.

Coco Gauff still hasn’t lost a match or even at set at the Australian Open — or, actually, this season. She moved into the fourth

Coco Gauff led the United States to its second United Cup title with a statement 6-4, 6-4 win over world No. 2 Iga Świątek a week before the start of the Australian Open.

While there have been plenty of surprises in the men’s bracket so far, most of the top women have progressed through the draw without an issue.

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Get caught up on the Australian Open with a guide that tells you everything you need to know about how to watch the year’s first Grand Slam tennis tournament, what the betting odds are, what the schedule is and more: How to watch the Australian Open on TV — In the U.

Novak Djokovic and Carlos Alcaraz can set up a blockbuster quarter-final when the Australian Open enters the fourth round on Sunday while Aryna Sabalenka and Coco Gauff are also eyeing a place in the last eight.