CINCINNATI, July 20 (UPI) -- Top-seeded Anna Chakvetadze Friday reached the semifinals at the Western & Southern Financial Open in Cincinnati, when sixth seed Elena Vesnina retired.
Chakvetadze was ahead, 6-7 (3-7), 6-0, 4-1, when fellow Russian Vesnina retired due to a strained right shoulder.
Chakvetadze -- who has two singles titles and consecutive grand slam quarterfinal appearances so far this year -- meets third-seeded Sania Mirza of India in the semifinals Saturday.
Mirza Friday made quick work of Olga Govortsova of Belarus, 6-1, 6-1.
Seventh seed Akiko Morigami of Japan eliminated second-seeded Swiss -- and 2005 titlist -- Patty Schnyder, 6-3, 6-1.