Anna Bondar of Hungary, ranked No. 155 in the world, rallied to upset No. 6 seed Mirra Andreeva of Russia 7-6 (3), 6-3 on Wednesday to reach the quarterfinals of the Ladies Open Lausanne in Switzerland.
Down a break in both sets, Bondar came back to deny the 16-year-old Andreeva her first quarterfinal appearance on the WTA Tour.
