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.

Jannik Sinner is through to the Australian Open quarterfinals after a drama-filled fourth-round win over Holger Rune. World No. 1 Sinner won in four sets, 6-3. 3-6, 6-3, 6-2, but this did not tell the story of a contest defined by illness.

Top seed Jannik Sinner defeated Holger Rune in an intense fourth-round match at the Australian Open, overcoming physical struggles and a medical timeout to win 6-3, 3-6, 6-3, 6-2. Sinner's impressive recovery and determination,

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. The 25-year-old has now reached the last eight at every Grand Slam and will face top seed and defending champion Jannik Sinner for a place in the semis.

Alex de Minaur has been knocked out of the Australian Open in the fourth round. Is this the year he advances further?

Watch the match highlights between Alex Michelsen & Alex de Minaur in Round 4 of the 2025 Australian Open Men's Singles Tournament Tennis.