Chinese tennis players make perfect start to U.S. Open 2023

Zhang Zhizhen returns a shot on Day One of the U.S. Open at the USTA Billie Jean King National Tennis Center in the Flushing neighborhood of the Queens borough of New York City, U.S., August 28, 2023. /CFP

China's top-ranked male tennis star Zhang Zhizhen outlasted American J.J. Wolf in a five-set thriller to claim his first ever victory in the main draw of the U.S. Open, and his wi