US Open: Casper Ruud Stunned By Unseeded Zhang Zhizhen In Second Round

Fifth seed Casper Ruud on Thursday crashed out of US Open after losing to China's Zhang Zhizhen in five sets in a second round clash. Ruud, last year's finalists, lost 4-6, 7-5, 2-6, 6-0, 6-2 to Zhizhen, who is the first men's Chinese player to knock a top-5 seed out in a Grand Slam. The 26-year-old from Shanghai -- ranked 67th in the world -- produced the match of his life to win in 3hr 19min. Zhang will now take on Australia's Rinky Hijikata, who defeated Martin Fuscovics in straight sets, in the third round on Friday.

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