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

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.

France’s Benjamin Bonzi upset No. 13 Daniil Medvedev of Russia in the final match of Sunday's first-round play at the US Open.