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.

First came the medical timeouts, one each for Jannik Sinner and Holger Rune with the temperature above 90 degrees Fahrenheit (32 Celsius) at the Australian Open. Then came the unusual sight of a 20-minute delay because the net at Rod Laver Arena detached from the court after being hit by a big Sinner serve.

Jannik Sinner is through to the Australian Open quarterfinals after a drama-filled fourth-round win over Holger Rune. World No. 1 Sinner won in four sets, 6-3. 3-6, 6-3, 6-2, but this did not tell the story of a contest defined by injury.

Jannik Sinner moved into the Australian Open quarterfinals Monday by eliminating Holger Rune in a match paused by medical timeouts and the net detaching from the court.

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.

Carlos Alcaraz and Novak Djokovic have set up a quarterfinal showdown at the Australian Open MELBOURNE, Australia — It’s time for the eighth installment of the riveting, intergenerational rivalry between Novak Djokovic and Carlos Alcaraz .

Follow live text and radio commentary featuring Novak Djokovic against Jiri Lehecka in the Australian Open fourth round.