Daniil Medvedev’s match was delayed more than six minutes between points late 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.

Daniil Medvedev's match was delayed after a photographer entered the court, leading to a tense exchange between the former U.S. Open winner and chair umpire.