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

The Australian Open witnessed thrilling matches as Alex de Minaur and Emma Navarro reached their first quarter-finals, Swiatek swiftly advanced, and Shelton progressed following Monfils' retirement.

Highlights of the ninth day of the Australian Open on Monday (times GMT): 1145 HOME HOPE DE MINAUR BOOKS DEBUT QUARTER-FINAL ...

No. 19 seed Madison Keys scored the big upset on Day 9 of the Australian Open, defeating No. 6 Elena Rybakina 6-3, 1-6, 6-3 ...

Swiatek, Svitolina, Keys, Sonego and Shelton also make it through to the last-eight stage on a hot day in Melbourne.

Jannik Sinner battled through illness and reached the quarter-finals of the Australian Open on Monday but the physical ...

Defending champion Jannik Sinner has moved into the quarterfinals at the Australian Open after beating Holger Rune during a ...

The defending champion moved into the quarterfinals at Melbourne Park on Monday by eliminating the 13th-seeded Rune 6-3, 3-6, ...

Novak Djokovic was at the centre of another Australian Open row on Monday while defending champion Jannik Sinner needed ...

Jannik Sinner and Iga Swiatek are eyeing a place in the Australian Open quarter-finals on Monday while golden couple Gael ...

Jannik Sinner and Iga Swiatek are eyeing a place in the Australian Open quarter-finals on Monday while golden couple Gael ...