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Denis Istomin Player Profile - Official Site of the 2022 US Open Tennis Championships - A USTA Event
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Who is Denis Istomin? Roger Federer's first round opponent at French Open 2021 who knocked Novak Djokovic out of Australian Open » FirstSportz
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Tokyo Olympics: Sumit Nagal to face Denis Istomin in opening round | Tokyo Olympics News - Times of India
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