Jannik Sinner will face his trickiest test yet at the Australian Open when the defending champion battles Dane Holger Rune in the fourth round on Monday, while five-times Grand Slam winner Iga Swiatek will be the heavy favourite against lucky loser Eva Lys.

Emma Raducanu suffered the joint-heaviest defeat of her career as second seed Iga Swiatek demonstrated her superiority in a one-sided Australian Open

Iga Swiatek rushed through her first set in 26 minutes and completed her 6-0, 6-2 second-round win over Rebecca Sramkova in an hour at the Australian Open.

Jannik Sinner will face his trickiest test yet at the Australian Open when the defending champion battles Dane Holger Rune in the fourth round on Monday, while five-times Grand Slam winner Iga Swiatek will be the heavy favourite against lucky loser Eva Lys.

It was a year of frequent coaching changes for Raducanu. Having won the U.S. Open with Andrew Richardson, she replaced him with Torben Beltz just two months after winning the title. By April 2022, Beltz was out and Dimitry Tursunov, who had worked with Annett Kontaveit while she reached No. 2 in the world, was in.

Raducanu is through to the Australian Open third round for the first time and plays the five-time grand slam winner

MELBOURNE: 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. Also into the second week is 38-year-old Gael Monfils after he stunned fourth seed Taylor Fritz - with the veteran's wife Elina Svitolina also enjoying a shock win immediately after on