Zheng Qinwen routed last year's U.S. Open runner-up Ons Jabeur 6-2, 6-4 on Monday to move into the quarterfinals at Flushing Meadows for her deepest run ever in a Grand Slam tournament. Zheng, who is seeded No. 23, becomes the first Chinese player to reach the quarterfinals of the U.S. Open since Wang Qiang in 2019. She did it by overpowering the fifth-seeded Tunisian with an aggressive baseline game that produced 21 winners. "I feel just super happy and excited to play in a big stadium and have a really good performance today," the 20-year-old Zheng told the Louis Armstrong...