BUCHAREST, Romania — Unseeded Danka Kovinic of Montenegro reached the Bucharest Open quarterfinals for a second straight year when she upset fourth-seed Julia Goerges of Germany 6-4, 6-7 (8), 6-2 on Thursday.
Kovinic, the first Montenegrin woman to make a WTA quarterfinal two years ago in Budapest, made the last eight for the third time this year in a match of long rallies for nearly three hours.
To reach her first semi, she will have to go past seventh-seeded Anna Karolina Schmiedlova of Slovakia, who overpowered Denisa Allertova of the Czech Republic 6-1, 6-2.
Second-seeded Roberta Vinci lost in a second straight tournament to Aleksandra Krunic of Serbia, 6-1, 6-1.