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Toronto, ON- August 11 - Denis Shapovalov of Canada is upset in straight sets by Frances Tiafoe of the United States of America in the second round of the National Bank Open presented by Rogers at the Aviva Centre at York University in Toronto. August 11, 2021. The National Bank Open is also the Canadian Open. (Steve Russell/Toronto Star via Getty Images)

Toronto, ON- August 11  -   Denis Shapovalov of Canada is upset in straight sets by Frances Tiafoe of the United States of America in the second round of the National Bank Open presented by Rogers  at the Aviva Centre at York University  in Toronto. August 11, 2021.  The National Bank Open is also the Canadian Open.        (Steve Russell/Toronto Star via Getty Images)