Follow live text and radio commentary as Alex de Minaur plays Alex Michelsen in the Australian Open fourth round.

The most interesting match on Monday 20 January at the 2025 Australian Open is certainly the one between Jannik Sinner and Holger Rune. These two players have always played very spectacular and balanced matches against each other, with the h2h balance in perfect parity at 2-2.

De Minaur is the first Aussie male to reach the last eight at Melbourne Park since Nick Kyrgios in 2015. The achievement was not lost on his mum Esther with video of her emotional response going viral. You can watch the adorable moment in the video player below.

Jannik Sinner was suffering from heat and other problems during his fourth-round match at the 2025 Australian Open against 13th seed Holger Rune. He even took an 11-minute medical timeout following which he finished the match in his favor with a scoreline of 6-3,

In the quarterfinals, Sinner will face No. 8 Alex de Minaur of Australia, who ousted American Alex Michelsen 6-0, 7-6 (5), 6-3. It will be the first quarterfinals appearance for de Minaur in his home country's Grand Slam, and he became just the third Aussie man to reach the round in 20 years.

Rune, a 21-year-old from Denmark, was trying to get to the quarterfinals in Melbourne for the first time. Sinner will face No. 8 Alex de Minaur of Australia or unseeded Alex Michelsen of the U.S ...

MELBOURNE – First came the medical timeouts, one each for Jannik Sinner and Holger Rune with the temperature ... Sinner will face No. 8 Alex de Minaur of Australia or unseeded Alex Michelsen ...