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.

Swiatek will face No. 19 Madison Keys of the U.S. on Thursday night for a berth in the final. The other women’s semifinal is No. 1 Aryna Sabalenka, the two-time defending champion, against her good friend, No. 11 Paula Badosa.

Jannik Sinner and Elina Svitolina won their respective Round 3 matches and advanced to the pre-quarters. While Sinner beat Marcos Giron in straight sets, Svitolina got the better of Jasmine Paolini.

Iga Swiatek, Jannik Sinner, Jasmine Paolini, Elena Rybakina and N Sriram Balaji are amongst the big players who will be in action on Day 7 of the hard court major at Melbourne Park.

Jannik Sinner battled through illness and reached the quarter-finals of the Australian Open on Monday but the physical demands of Grand Slam tennis proved too much for French veteran Gael Monfils and American teenager Learner Tien.

In a display of tennis mastery, defending champion Jannik Sinner demolished local hope Alex de Minaur in straight sets at the Australian Open, while world No.2 Iga Swiatek continued her devastating form,

Elina Svitolina of Ukraine gestures during her fourth round ... (AP Photo/Manish Swarup) Jannik Sinner of Italy reacts during his fourth round match against Holger Rune of Denmark at the ...

MELBOURNE, Australia — First came the medical timeouts, one each for Jannik Sinner and Holger Rune with the temperature above 90 degrees Fahrenheit (32 Celsius) at the Australian Open.

MELBOURNE, Australia — First came the medical timeouts, one each for Jannik Sinner and Holger Rune with ... Elina Svitolina of Ukraine writes a message on a television screen following her ...

Everything that Jannik Sinner means to the summit of men's tennis could be temporarily wiped away in just a few months.

Follow reaction as Sinner retained the championship with a brilliant showing against three-time major final loser Zverev on Rod Laver in Melbourne

Ben Shelton and Madison Keys became the first American man and woman to reach the Australian Open semifinals in the same year since 2009, with respective quarterfinal triumphs Wednesday in Melbourne.