United States' Amanda Anisimova overcame defending champion Naomi Osaka in the third round in Melbourne ©Getty Images

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Amanda Anisimova came from a set down to beat Naomi Osaka ©Getty Images
Amanda Anisimova came from a set down to beat Naomi Osaka ©Getty Images
Naomi Osaka had won the Australian Open twice in the past three years ©Getty Images
Naomi Osaka had won the Australian Open twice in the past three years ©Getty Images
Ashleigh Barty won her third consecutive straight sets match ©Getty Images
Ashleigh Barty won her third consecutive straight sets match ©Getty Images
Camila Giorgi was the home favourite's latest opponent ©Getty Images
Camila Giorgi was the home favourite's latest opponent ©Getty Images
World number one Ashleigh Barty earned a comfortable victory ©Getty Images
World number one Ashleigh Barty earned a comfortable victory ©Getty Images
Alexander Zverev won his men's singles third round match in straight sets ©Getty Images
Alexander Zverev won his men's singles third round match in straight sets ©Getty Images
Rafael Nadal required four sets to overcome Russia's Karen Khachanov ©Getty Images
Rafael Nadal required four sets to overcome Russia's Karen Khachanov ©Getty Images
Italy’s Matteo Berrettini beat rising star Carlos Alcaraz of Spain in a five-set match ©Getty Images
Italy’s Matteo Berrettini beat rising star Carlos Alcaraz of Spain in a five-set match ©Getty Images
France’s Adrian Mannarino won the final match of the day at just after 2.30am local time, when he beat Aslan Karatsev in four sets ©Getty Images
France’s Adrian Mannarino won the final match of the day at just after 2.30am local time, when he beat Aslan Karatsev in four sets ©Getty Images