Naomi Osaka of Japan crashed out of the Australian Open in the third round ©Getty Images

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Osaka came up against Coco Gauff of the United States  ©Getty Images
Osaka came up against Coco Gauff of the United States ©Getty Images
The 15-year-old Gauff was the victor, triumphing 6-3, 6-4 ©Getty Images
The 15-year-old Gauff was the victor, triumphing 6-3, 6-4 ©Getty Images
Seven-time Australian Open Serena Williams was also in action ©Getty Images
Seven-time Australian Open Serena Williams was also in action ©Getty Images
The American was another to suffer a shock defeat, losing 6-4, 6-7, 7-5 to Wang Qiang of China ©Getty Images
The American was another to suffer a shock defeat, losing 6-4, 6-7, 7-5 to Wang Qiang of China ©Getty Images
Wang stayed behind after her win to sign autographs ©Getty Images
Wang stayed behind after her win to sign autographs ©Getty Images
Caroline Wozniacki of Denmark played her last professional tennis match, losing 7-5, 3-6, 7-5 to Ons Jabeur of Tunisia ©Getty Images
Caroline Wozniacki of Denmark played her last professional tennis match, losing 7-5, 3-6, 7-5 to Ons Jabeur of Tunisia ©Getty Images
Six-time Australian Open winner Roger Federer progressed into the next round in the men's competition, defeating home favourite John Millman ©Getty Images
Six-time Australian Open winner Roger Federer progressed into the next round in the men's competition, defeating home favourite John Millman ©Getty Images
It was a five-set thriller, however, with Federer just edging it 4-6, 7-6, 6-4, 4-6, 7-6 ©Getty Images
It was a five-set thriller, however, with Federer just edging it 4-6, 7-6, 6-4, 4-6, 7-6 ©Getty Images
Defending champion, Novak Djokovic of Serbia, eased past Yoshihito Nishioka of Japan 6-3, 6-2, 6-2 ©Getty Images
Defending champion, Novak Djokovic of Serbia, eased past Yoshihito Nishioka of Japan 6-3, 6-2, 6-2 ©Getty Images