In a dramatic first round of the US Open, Benjamin Bonzi defeated 13th seed Daniil Medvedev 6-3, 7-5, 6-7 (5/7), 0-6, 6-4, amid chaos triggered by a photographer’s interference. Medvedev’s explosive reaction to the decision, including a racquet smash post-defeat, marked his exit as the first former champion in the tournament.