Daniil Medvedev had a meltdown on the court at Louis Armstrong Stadium Sunday night at the U.S. Open in his loss against Benjamin Bonzi.

Russian tennis star Daniil Medvedev had a meltdown during his match against France’s Benjamin Bonzi at the U.S. Open on Aug. 24 after a photographer entered the court on match point, leading the umpire to award Bonzi another first serve.

A photographer walking on the court at match point sparked a decision that infuriated Daniil Medvedev and caused a six-minute delay.