Pat Rafter has warned Alex de Minaur to batten down the hatches as he strives to enter uncharted waters at the Australian Open.

Jannik Sinner cruised into the Australian Open semi-finals on Day 11, January 22, after defeating home favourite Alex de Minaur in straight sets at Rod Laver Arena. The Italian, who didn’t look well in his previous match against Holger Rune,

Alex de Minaur is facing off with top seed and defending champion Jannik Sinner for a spot in the Australian Open semifinals against American Ben Shelton. Follow live.

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

Alex de Minaur has given a cheeky sledge to his fiancee Katie Boulter about their wedding ahead of the biggest match of his career. Welcome to news.com.au’s live coverage of Day 11 of the Australian Open.

The Australian Open quarter-finals are heating up as Jannik Sinner, battling illness, faces Australia's Alex De Minaur. Meanwhile, Iga Swiatek enters her match free of doping appeals. Experienced players Madison Keys and Elina Svitolina also showcase their adaptability in women's top matches.

The Australian Open quarter-finals continue on Wednesday and top seed Jannik Sinner's task of defending his crown is not getting any easier. The Italian is recovering from an illness and will face Australia's last hope Alex De Minaur,

Katie Boulter had an adorable message for a fellow tennis power couple after they won matches on the same day at the Australian Open. Gael Monfils and Elina Svitolina both upset the No. 4 seeds in the men’s and women’s singles draws in back-to-back matches on Margaret Court Arena.

Alex de Minaur noticed one very strong comment made about his performance versus Jannik Sinner and he wasn't interested in letting it slide. On Wednesday, the home favorite player exited the Australian Open in the quarterfinal after the No. 1 seed handed him a 6-3 6-2 6-1 loss. Now, the Italian leads their head-to-head 10-0.

Want to catch the action live? You're going to have to stay up very late (or get up very early) if you're a U.S.-based fan.

Madison Keys matched her best Grand Slam performance in seven-plus years, as the 19th-seeded U.S. player overtook 28th-seeded Elina Svitolina of Ukraine 3-6, 6-3, 6-4 in the quarterfinals of the Australian Open on Wednesday in Melbourne.