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

It's the second day of Australian Open quarter-finals with blockbusters galore spread throughout including reigning champion Jannik Sinner and local hope Alex de Minaur. The Australian will have to overcome a horrible win-loss record against the world no.

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

Through to the quarterfinals of his home Grand Slam tournament for the first time, the Aussie has a  financial motivation for every match he wins.

Alex de Minaur is through to the quarterfinals of the Australian Open for the first time, defeating American giant-killer Alex Michelsen.

Local hope Alex de Minaur will look to seal a quarter-final spot at the Australian Open 2025, but must beat Alex Michelsen in order to get there.

Alex de Minaur won his first round match in straight sets, then had time to support fiancee Katie Boulter as she fought through in three sets to progress into the second round of the Australian Open after all six other Aussies in action fell to defeat — as it happened.

Katie Boulter made a heart-warming request to the Australian Open staff during her fiance Alex de Minaur’s second-round ... It leaves Emma Raducanu as the last remaining Brit in the women ...

According to the official ATP website, de Minaur has taken home US$15,303,985 (approx. AU$23,645,905) in tournament winnings. That sum includes prize money from both singles and doubles events.