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.

Defending champion Jannik Sinner has moved into the quarterfinals at the Australian Open after beating Holger Rune during a match slowed down by medical timeouts for each player and a delay because the net got knocked loose.

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.

The screw holding the net in place at the Australian Open’s main stadium has been jarred loose during defending champion Jannik Sinner’s fourth-round match against Holger Rune

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 .

Novak acknowledges the apology has been given in public as requested," read a statement issued Monday by Tennis Australia, "and is now moving on and focusing on his next match.” That, perhaps, will draw a curtain on the bizarre off-court distraction as Djokovic pursues what would be an 11th championship at Melbourne Park and a record 25th major trophy overall.

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.

Elina Svitolina rallied from 4-1 down defeat Veronika Kudermetova 6-4, 6-1 to reach the Australian Open quarterfinals. Svitolina will face Madison Keys in the next round.