Keys, ranked 14th and seeded 19th, prevented Sabalenka from earning what would have been her third women's trophy in a row at the Australian Open — something last accomplished by Martina Hingis from 1997-99 — and her fourth major title overall.

Madison Keys shocks Aryna Sabalenka to win Australian Open title - World number one Sabalenka was chasing a third successive women’s singles title in Melbourne.

World No1 denied third consecutive Melbourne triumph as American becomes one of the oldest first-time Grand Slam winners of the Open era