Russian ekaterina alexandrova

Arthur Ashe Stadium: Last year's finalist Ons Jabeur of Tunisia needed nearly three hours to post a 5-7, 7-6(5), 6-3 comeback win over Czech player Marie Bouzkova at Arthur Ashe Stadium.

Saturday's win was the second straight three-set triumph for the 29-year-old from Tunisia. After her latest closely-contested win, Jabeur meets Zheng Qinwen, the rising 20-year-old from China, in the Round of 16 on Monday.

Down 3-5, Jabeur had 15 errors to her opponent's five, and looked as if she was on her way to conceding the set. The Tunisian rallied, but Bouzkova took the first frame, 7-5.