Shapovalov wins in 5 at Open vs. Fritz, who says: 'Choked'

Taylor Fritz, of the United States, reacts during a match against Denis Shapovalov, of Canada, during the third round of the US Open tennis championships, Friday, Sept. 4, 2020, in New York. (AP Photo/Seth Wenig)

Denis Shapovalov, of Canada, returns a shot to Taylor Fritz, of the United States, during the third round of the US Open tennis championships, Friday, Sept. 4, 2020, in New York. (AP Photo/Seth Wenig)

Taylor Fritz, of the United States, reacts during a match against Denis Shapovalov, of Canada, during the third round of the US Open tennis championships, Friday, Sept. 4, 2020, in New York. (AP Photo/Seth Wenig)

Denis Shapovalov, of Canada, reacts during a match against Taylor Fritz, of the United States, during the third round of the US Open tennis championships, Friday, Sept. 4, 2020, in New York. (AP Photo/Seth Wenig)

Alexander Zverev, of Germany, returns a shot to Adrian Mannarino, of France, during the third round of the U.S. Open tennis championships, Friday, Sept. 4, 2020, in New York. (AP Photo/Frank Franklin II)

Adrian Mannarino, of France, serves to Alexander Zverev, of Germany, during the third round of the U.S. Open tennis championships, Friday, Sept. 4, 2020, in New York. (AP Photo/Frank Franklin II)