Further first-round games were played on day two of the Australian Open ©Getty Images

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Rafael Nadal signs autographs after breezing through ©Getty Images
Rafael Nadal signs autographs after breezing through ©Getty Images
Maria Sharapova admitted that she might not play at the Australian Open again following her defeat ©Getty Images
Maria Sharapova admitted that she might not play at the Australian Open again following her defeat ©Getty Images
Russia's fourth seed Daniil Medvedev also made round two ©Getty Images
Russia's fourth seed Daniil Medvedev also made round two ©Getty Images
Czech second seed Karolína Plíšková enjoys a breather en-route to the next round ©Getty Images
Czech second seed Karolína Plíšková enjoys a breather en-route to the next round ©Getty Images
Fabio Fognini won an ill-tempered clash in five sets ©Getty Images
Fabio Fognini won an ill-tempered clash in five sets ©Getty Images
Britain's Johanna Konta was among the seeds to fall ©Getty Images
Britain's Johanna Konta was among the seeds to fall ©Getty Images
Nick Kyrgios enjoyed first-round victory on home soil ©Getty Images
Nick Kyrgios enjoyed first-round victory on home soil ©Getty Images
A fan lowers a large tennis ball for Wimbledon champion Simona Halep to sign ©Getty Images
A fan lowers a large tennis ball for Wimbledon champion Simona Halep to sign ©Getty Images
Austria's fifth seed Dominic Thiem advanced ©Getty Images
Austria's fifth seed Dominic Thiem advanced ©Getty Images