There are some tennis players, such as Frances Tiafoe or Madison Keys or Ben Shelton, who can’t wait for the U.S. Open to come around each year, with its boisterous crowds, its bold-faced names in the stands, its music at changeovers, its buzz.

Daniil Medvedev’s match was delayed more than six minutes between points Sunday night, after a photographer entered the court on match point and the 2021 U.S. Open champion became enraged by the chair umpire’s decision to award his opponent a first serve.