Coco Gauff discusses using the bathroom while wearing her outfit, Paula Badosa offers her boyfriend the chance to do better, and a young fan warms hearts in Melbourne. Here are the five quick hits from day six of the Australian Open.

Naomi Osaka, a two-time champion in Australia, stopped playing because of a strained abdominal muscle after dropping the first set of her match against Tokyo Olympics gold medalist Belinda Bencic.

The top brass of world tennis returned to the status quo on day eight of the Australian Open, with the big names picking up wins.

Coco Gauff's dreams of a first Australian Open title were crushed in the quarter-finals by Paula Badosa before Novak Djokovic and Carlos Alcaraz face off in a duel for the ages on Tuesday.

Alcaraz faces a mouthwatering quarter-final clash with Novak Djokovic, who refused to do his regular on-court interview after winning. He later explained he was protesting after a TV presenter working with the host broadcaster made "offensive" comments.

Follow live text and radio commentary featuring Aryna Sabalenka, Carlos Alcaraz and Novak Djokovic from the Australian Open quarter-finals.

Aryna Sabalenka and Coco Gauff can set up a blockbuster women's semi-final with last-eight victories. Read more at straitstimes.com.

The Australian Open quarter-finals begin on Tuesday and fans are expected to pack Rod Laver Arena when 10-times champion Novak Djokovic meets Carlos Alcaraz, who is bidding to complete a career Grand Slam.

Novak Djokovic is through to the 50th grand slam semifinal of his illustrious career, producing a mighty performance even by his standards.

MELBOURNE, Australia — Coco Gauff's retooled forehand and serve abandoned her in the worst way and at the worst time at the Australian Open . The unforced errors just kept accumulating Tuesday, and so did the double-faults and break points, often followed by a palm placed over her eyes or a slap to a thigh.

Novak Djokovic and Carlos Alcaraz face off in a duel for the ages on Tuesday as the old and new of tennis go on full display when the Australian Open hits the quarterfinal stage.