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.

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

The defending champion quickly dismissed the home favorite, entertaining the crowd with a lengthy post-match interview before taking on Ben Shelton.

Jannik Sinner 6-3 Alex de Minaur Ben Shelton beats Lorenzo Sonego 6-4 7-5 4-6 7-6 (7-4) to reach semi-finals Iga Swiatek drops just three games on way to last four Swiatek will play Madison Keys, who came from behind to beat Elina Svitolina Alfie Hewett through to wheelchair singles semi-finals Use audio icon for BBC Radio 5 Sports Extra commentary (UK only) Joe Rindl,

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

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

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.

MELBOURNE - 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,

The American rallied from a set down to reach the last four in Melbourne for the third time, and will face No. 2 seed Iga Swiatek next.

Worrying claims from Corentin Moutet that he fainted before his match, Alex de Minaur shows his fighting spirit, and America's next generation announce themselves to the world. Here are the five quick hits from day seven of the Australian Open.

Sinner's remarkable on-court ability to block out any distraction from his mission has been on full display as he seeks to defend his Melbourne title.