Fourth seed Casper Ruud came from behind to end Zhang Zhizhen's hopes of making Chinese tennis history at the French Open.
Ruud made a slow start against Zhang, who was seeking to become the first Chinese man to reach the fourth round at a Grand Slam in the open era, but rallied to win 4-6 6-4 6-1 6-4.
Norway's Ruud will next face Chile's Nicolas Jarry or American Marcos Giron.
A runner-up here last year, Ruud is seeking a first Grand Slam title.
Among the other seeds playing on Saturday at Roland Garros is Danish world number six Holger Rune, with the 20-year-old taking on Argentina's Genaro Alberto Olivieri, who at 231 in the world is the lowest-ranked player to reach the third round in Paris this year.
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