Highlights of the ninth day of the Australian Open on Monday (times GMT): 0702 SONEGO THROUGH TO FIRST SLAM QUARTER-FINAL Italy's Lorenzo Sonego reached the quarter-finals of a Grand Slam for the first time with a 6-3 6-2 3-6 6-1 victory over American qualifier Learner Tien.

Day 8 is another bumper day of action at the Australian Open, with the fourth round kicking off. Keep up with all the latest from Melbourne Park.

American Madison Keys upset sixth seed Elena Rybakina 6-3 1-6 6-3 in a roller-coaster match at Margaret Court Arena to march into the quarter-finals of the Australian Open on Monday and extend her win streak to nine matches this year.

Ruthless defending champion Jannik Sinner was in the zone Saturday as he powered into the last 16 of the Australian Open with a straight-sets thrashing of American Marcos Giron. The American, who was bidding to reach the last 16 at a Grand Slam for the first time,

Novak Djokovic has declined to do a customary post-match TV interview at the Australian Open to protest comments made on air by someone who works for the official broadcaster of the tournament in the host country,

Alcaraz has hit his usual highlight-reel shots from time to time and Djokovic has dropped only two sets, but the nature of their paths to the last eight has been unexpected. From the moment the draw was made,

Novak Djokovic and Carlos Alcaraz will square off again in a Grand Slam after both stars won their fourth-round matches Sunday at the Australian Open.

American tennis star Coco Gauff mourned the loss of TikTok's app back home, writing on a TV camera lens “RIP TikTok USA” and drawing a broken heart right after winning a match at the Australian Open to reach the quarterfinals.

In bid for 25th Grand Slam title, Novak Djokovic advances to face Carlos Alcaraz; Coco Gauff addresses TikTok ban after winning in three sets.

Following a win at the Australian Open that allowed her to reach the quarterfinals, American tennis star Coco Gauff lamented the U.S. government's ban of the social media app TikTok, writing "RIP TikTok USA" on a camera lens after winning 5-7,