Australian Open: Iga Swiatek v Eva Lys, Alex de Minaur v Alex Michelsen – live text and radio commentary

What has happened so far on day nine?published at 09:36 Greenwich Mean Time

USA's Madison Keys (R) greets Kazakhstan's Elena Rybakina (L) after her winimage source, Getty Images

American 19th seed Madison Keys knocked out 2023 runner-up Elena Rybakina with a 6-3 1-6 6-3 victory to reach the quarter-finals.

Keys will face Ukraine’s Elina Svitolinawho stormed to a 6-4 6-1 victory against Russian Veronika Kudermetova.

In the men’s draw, defending champion Jannik Sinner struggled physically before moving past Denmark’s Holger Rune.

Italy’s Lorenzo Sonego beat American qualifier Learner Tien 6-3 6-2 3-6 6-1 to reach his first Grand Slam quarter-final.

Sonego will play the 21st seed Ben Shelton next after the American’s fourth-round opponent, Frenchman Gael Monfils, retired while trailing 7-6 (7-3) 6-7 (3-7) 7-6 (7-2) 1-0.