Danielle Collins ' spat with the Australian Open crowd continued as she stepped onto Rod Laver Arena for her third-round match on Saturday night. The world No. 11 was booed immeditely while walking onto the court and the crowd continued to give her grief, cheering her errors as she faced Madison Keys.

Defending champion Jannik Sinner raced to victory at the Australian Open on Saturday to sweep into the last 16 as Iga Swiatek demolished Emma Raducanu.

Iga Swiatek demolished Emma Raducanu on Saturday to sweep into the last 16 of the Australian Open, where Jannik Sinner will later step up his title defence and young tyro Learner Tien is also in action.

MELBOURNE - Defending champion Jannik Sinner recovered his composure after an early setback to storm into the third round of the Australian Open on Thursday but Brazilian teenager Joao Fonseca's first Grand Slam campaign came to an end in the second round.

Stefano Vukov is being investigated by the WTA and cannot obtain credentials to its tournaments. Read more at straitstimes.com.

Jannik Sinner steps up the defence of his Australian Open crown in the second round on Thursday in Melbourne, where Iga Swiatek, Daniil Medvedev and teenage rising star Joao Fonseca are all also in action.

MELBOURNE, Jan. 18 (Xinhua) -- Defending men's champion Jannik Sinner and women's second seed Iga Swiatek cruised through to the last 16 of the Australian Open, but fourth seeds Taylor Fritz and Jasmine Paolini were shock casualties on Saturday.

Iga Swiatek romped into a showdown with Emma Raducanu in early Australian Open second-round action Thursday ahead of Jannik Sinner stepping up the defence of his Melbourne Park title.

Follow live text and radio commentary featuring Emma Raducanu, Iga Swiatek and Jannik Sinner in the Australian Open in Melbourne, Australia.

Highlights of the seventh day of the Australian Open on Saturday (times GMT):1205 KEYS BEATS COLLINS TO REACH LAST 16Twice semi-finalist Madison Keys defeated fellow American and former runner-up Danielle Collins 6-4 6-4 in one hour and 23 minutes to earn her place in the last 16.

Everything came so easily for Iga Swiatek during a 6-1, 6-0 victory over Emma Raducanu on Saturday in the only Australian Open women's third-round match between two past