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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Federer was the toughest opponent from the Big Three. He was...': Denis Istomin | Tennis News - Hindustan Times
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Denis Istomin, Marcos Baghdatis Advance To Nottingham Semis - Tennis - ATP World Tour | ATP Tour | Tennis
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Uzbek tennis player Denis Istomin to play against Novak Djokovic at ATP Dubai Duty Free Tennis Championships - AKIpress News Agency
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