Highlights of Sunday’s seventh day of the Australian Open, the first Grand Slam tournament of the year (all times GMT):
0515 UNSEEDED COLLINS STUNS KERBER
Unseeded American Danielle Collins earned the biggest win of her career, beating second seed and 2016 champion Angelique Kerber 6-0 6-2 to reach her first Grand Slam quarter-final.
Barty reaches Melbourne quarters with win over Sharapova
Kvitova back in the Grand Slam big time
Serena consoles Ukrainian teen after sailing into last 16
Agitated Djokovic regains calm to see off Shapovalov challenge
Top seed Halep marches on with clinical win over Venus
Osaka survives Hsieh scare to reach fourth round
World number one Halep geared up for best player Serena
Zverev cruises past Bolt to move into fourth round
Last Australian men’s player slumps out of home Grand Slam
Nishikori beats Sousa to move into fourth round
Osaka saves the plaudits for mentor Evert
Not so fast, Roger. Federer blocked by Australian Open security
Tsitsipas leads ‘Next Gen’ charge against Federer
Australian Open order of play on Sunday
0405 BARTY CONTINUES DREAM RUN
Australian number one Ashleigh Barty rode a wave of crowd support to edge former world number one Maria Sharapova 4-6 6-1 6-4 at Rod Laver Arena in a tense fourth round clash.
Barty, bidding to become the first home winner of the Australian Open since Chris O’Neil in 1978, will face twice Wimbledon winner Petra Kvitova in her first Grand Slam quarter-final.
0130 KVITOVA STORMS INTO QUARTERS
Eighth seed Petra Kvitova has reached her first Australian Open quarter-final since 2012 after a commanding win over American youngster Amanda Anisimova.
The Czech struck 18 winners to win 6-2 6-1 in just 59 minutes.