Zheng Qinwen into US Open quarter-final after a record 2:15 am finish

China’s Zheng Qinwen reached the US Open quarter-finals again, defeating Donna Vekic in a record late finish at 2:15 a.m. Zheng won 7-6 (7/2), 4-6, 6-2 against her Croatian opponent. She will face world number two Aryna Sabalenka next. Zheng aims to continue her impressive run in New York.