AusOpen on Twitter: "ICYMI: Wildcard Denis #Istomin ousts six-time Australian champion #Djokovic in five grinding sets: https://t.co/ROyVJ47yWm #AusOpen https://t.co/6MMEAS127X" / Twitter
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Denis Istomin defeated by Novak Djokovic at Dubai Duty Free Tennis Championships - AKIpress News Agency
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Roger Federer studied Novak Djokovic loss ahead of Denis Istomin clash at Australian Open | Tennis | Sport | Express.co.uk
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Denis Istomin, the star coached by his mum, told he would never play tennis again following horrific car crash... and famous conqueror of Novak Djokovic at the Australian Open 2017 | The Sun
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