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.

Jannik Sinner and Iga Swiatek progress to the quarter-finals of the Australian Open amid challenges. Sinner battled illness to defeat Dane Holger Rune. Meanwhile, Swiatek continued her quest for a maiden win by beating Eva Lys.

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.

Jannik Sinner battled through illness to reach the quarter-finals of the Australian Open on Monday as his Italian compatriot Lorenzo Sonego ended teenager Learner Tien's fairytale run.

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 ... Elina Svitolina of Ukraine writes a message on a television screen following her ...

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.

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

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