SEOUL, South Korea — Qualifier Aliaksandra Sasnovich of Belarus upset third-seeded Sloane Stephens 6-3, 6-2 in the quarterfinals of Korea Open on Friday.
Sasnovich converted five of her 12 break points against the American to set up a semifinal against second-seeded Anna Karolina Schmiedlova, who beat Germany's Mona Barthel 6-4, 3-6, 6-1.
Top-seeded Irina-Camelia Begu of Romania encountered tough resistance from Johanna Larsson of Sweden before winning 6-4, 7-5. She will play Alison Van Uytvanck of Belgium, who defeated Elizaveta Kulichkova of Russia 6-1, 4-6, 6-2.