The US Open descended into chaos on Sunday when a photographer came onto the court as Daniil Medvedev faced match point, bringing the first-round match to a standstill and sparking a spectacular meltdown from the Russian.

Controversy arose early in the US Open, as Daniil Medvedev's first-round loss against Benjamin Bonzi featured a moment that raised eyebrows at Louis Armstrong Stadium.

Daniil Medvedev is out of the US Open after a remarkable defeat by Benjamin Bonzi, where a photographer walking on to the court changed the course of the match.