In the Australian Open quarterfinals on Tuesday, Jannik Sinner faces Alex de Minaur.In his most recent match on Sunday, Sinner took down Holger Vitus Nodskov Rune in four sets, 6-3, 3-6, 6-3, 6-2,

Usually it's fiancee Katie Boulter who draws all the attention in Alex de Minaur's player's box at the Australian Open. But on Monday night it was his mum Esther who stole the show in a viral moment.

Jelena Dokic has warned Alex de Minaur against putting too much focus into the health of opponent Jannik Sinner for their quarter-final clash at the Australian Open. De Minaur advanced to the final eight of his home grand slam for the first time on Monday night, beating American Alex Michelsen 6-0 7-6 (7-5) 6-3.

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.

Australia’s last man standing, Alex de Minaur, has a bigger serve than ever but will need to be firing against the world’s best player in Jannik Sinner.

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

Alex De Minaur kept the home flag flying at the Australian Open as he beat rising American Alex Michelsen 6-0 7-6(5) 6-3 to reach the quarter-finals for the first time on Monday.

Once again, tennis power couple Katie Boulter and Alex de Minaur have displayed their unity, this time in Australia. De Minaur achieved a significant milestone at his home Slam on Monday,

In the Round of 16 at the Australian Open on Sunday, Alex de Minaur (ranked No. 8) meets Alex Michelsen (No. 42).In his most recent match on Friday, Michelsen knocked off Karen Khachanov in three

Since Hewitt won his last major title, only two Australians have even reached grand slam finals - Hewitt at the Australian Open (2005) and Nick Kyrgios at Wimbledon (2022). At 19 years old, Kyrgios was anointed Australia's next grand slam winner when he beat Rafael Nadal and reached the Wimbledon quarter-finals in 2014.

The Australian Open quarterfinals will wrap up with defending champion Jannik Sinner of Italy against local hope Alex de Minaur in a night match on Rod Laver Arena