Alexander Zverev ends Denis Shapovalov's Montreal run

Denis Shapovalov, of Canada, serves to Alexander Zverev, of Germany, during the semifinal at the Rogers Cup tennis tournament. | AP

Alexander Zverev, of Germany, returns to Denis Shapovalov, of Canada, during a semifinal of the Rogers Cup tennis tournament. | AP

Denis Shapovalov, of Canada, returns to Alexander Zverev, of Germany, during the semifinal at the Rogers Cup tennis tournament. | AP

Alexander Zverev, of Germany, celebrates winning the first set over Denis Shapovalov, of Canada, during a semifinal of the Rogers Cup tennis tournament. | AP

Denis Shapovalov, of Canada, serves to Alexander Zverev, of Germany, during a semifinal of the Rogers Cup tennis tournament. | AP

Alexander Zverev, of Germany, returns to Denis Shapovalov, of Canada, during a semifinal of the Rogers Cup tennis tournament. | AP

Denis Shapovalov, of Canada, congratulates Alexander Zverev, of Germany, who won their semifinal of the Rogers Cup tennis tournament. | AP

Denis Shapovalov, of Canada, walks off the court after losing to Alexander Zverev, of Germany, during a semifinal of the Rogers Cup tennis tournament. | AP

Alexander Zverev, of Germany, points to his opponent, Denis Shapovalov, of Canada, after winning their semifinal of the Rogers Cup tennis tournament. | AP