What to know

• Zheng will play either two-time champion Naomi Osaka or No. 2 Elena Rybakina in the quarterfinals.S1
• Zheng Qinwen made a daring escape from a 5-0 deficit for the second straight match, with this comeback sending her back into the U.S. Open quarterfinals.S2
• Qinwen Zheng will face the winner of Naomi Osaka vs Elena Rybakina for a place in the semifinals. For Iga Swiatek, another New York exit before the last eight ends a summer that had started to turn after her Canadian Open title.S3