Ruud was defeated in a five-setter by 67th-ranked Zhizhen Zhang, 4-6, 7-5, 2-6, 6-0, 2-6. Zhang became China’s first male player to defeat a top-five player.
Casper Ruud, the world No.5, was knocked out of the US Open on Thursday after losing in the second round of men’s singles to China’s Zhizhen Zhang. Ruud was defeated by the 67th-ranked Chinese in a five-setter that lasted 3 hours and 19 minutes.
Home China's Zhizhen Zhang makes history by knocking off 5th seed Casper Ruud...