NEW YORK :Daniil Medvedev's turbulent relationship with the U.S. Open took another dramatic turn on Sunday as the former champion was shown the door by France's Benjamin Bonzi at the end of a chaotic first-round encounter.

Medvedev brought the match to a standstill for about six minutes while staring down match point in the third set, disputing an officiating decision after a photographer had interrupted Bonzi's serve by stepping onto the court surface.

Chair umpire Greg Allensworth's decision to give Bonzi a first serve instead of a second after the interruption sparked Medvedev's fury.

"I wasn't upset with the photographer," Medvedev told a press conference. "I was upset with the decision.

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