Chinese Zheng Qinwen, 19, cruised into the Last 16 on her French Open debut on Saturday as Alize Cornet retired while trailing 6-0, 3-0. Zheng, ranked 74, will look to end World No.1 Iga Swiatek’s 31-match winning run when the pair meet for a place in the quarter-finals.

Earlier, Swiatek racked up her 31st straight win to reach the French Open last 16.  Swiatek dropped serve three times against 95th-ranked Danka Kovinic of Montenegro before sealing a 6-3, 7-5 victory.