Serena Williams continued her quest for a 24th Grand Slam title with victory in the Australian Open quarter-finals ©Getty Images

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The American defeated Romanian world number two Simona Halep to progress ©Getty Images
The American defeated Romanian world number two Simona Halep to progress ©Getty Images
Williams set up a semi-final clash with Japan's Naomi Osaka ©Getty Images
Williams set up a semi-final clash with Japan's Naomi Osaka ©Getty Images
Osaka triumphed against Hsieh Su-wei of Chinese Taipei to make the final four ©Getty Images
Osaka triumphed against Hsieh Su-wei of Chinese Taipei to make the final four ©Getty Images
Osaka previously won the Australian Open in 2019 ©Getty Images
Osaka previously won the Australian Open in 2019 ©Getty Images
In the men's singles, world number one Novak Djokovic booked a place in the semi-finals ©Getty Images
In the men's singles, world number one Novak Djokovic booked a place in the semi-finals ©Getty Images
The Serbian came back from one set down to defeat Germany's Alexander Zverev ©Getty Images
The Serbian came back from one set down to defeat Germany's Alexander Zverev ©Getty Images
He did so despite struggling with a abdominal injury picked up in the third round ©Getty Images
He did so despite struggling with a abdominal injury picked up in the third round ©Getty Images
Djokovic's next opponent will be Russia's Aslan Karatsev ©Getty Images
Djokovic's next opponent will be Russia's Aslan Karatsev ©Getty Images
Karatsev became the first man in the Open era to reach a semi-final on his Grand Slam debut ©Getty Images
Karatsev became the first man in the Open era to reach a semi-final on his Grand Slam debut ©Getty Images