The US Open isn’t just a tennis tournament—it’s a spectacle. Every August, New York turns into the world capital of tennis as the fourth and final Grand Slam of the year unfolds inside the buzzing grounds of Flushing Meadows. The sport’s brightest stars battle for glory, but the rules here don’t just apply to the players. Fans in the stands, ball crews chasing down stray serves, and even sponsors must abide by a tightly written playbook.