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

Novak Djokovic declined a post-match TV interview after winning in the fourth round of the Australian Open after an on-air personality from the local Australian broadcaster of the tournament made negative comments about him in front of Serbian fans.

Novak Djokovic declined to do a customary post-match TV interview at the Australian Open after his win Sunday night to protest comments made on air.

Tennis star Novak Djokovic refused to talk to the Australian Open's official network over remarks a journalist made about the Serbian during the tournament.

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.