Daniil Medvedev was called out by his US Open first-round opponent Benjamin Bonzi after the Russian's third set rant.

The first-round match between No. 13 seed Daniil Medvedev and Benjamin Bonzi Sunday night at the US Open turned chaotic when, of all things, a photographer prematurely stepped onto the court as Bonzi served for the match. All of a sudden, a match that looked like it was destined for a straight-set victory for Bonzi turned into a five-set thriller.

Russian tennis player Daniil Medvedev has an epic meltdown during his U.S. Open match against Benjamin Bonzi of France. We explain.