ISTANBUL, Turkey -- Top-seeded Elena Dementieva defeated Liana Ungur of Romania 6-2, 7-6 (4) Wednesday in the second round of the Istanbul Cup.
The seventh-ranked Russian will play Jill Craybas of the United States in the third round of the clay-court tournament, a warm-up event for the French Open. The seventh-seeded Craybas advanced after defeating Vania King of the United States 6-4, 6-2.
Petrova is to play sixth-seeded Akgul Amanmuradova of Uzbekistan, who advanced by beating Aiko Nakamura of Japan 6-3, 6-3. Radwanska will next play Andreja Klepac of Slovenia, who beat Stephanie Dubois of Canada 4-6, 6-2, 7-5.
Fourth-seeded Olga Govortsova of Belarus beat Nathalie Vierin of Italy 7-6 (3), 6-1 and next plays Tsvetana Pironkova. The eighth-seeded Bulgarian defeated Veronika Chvojkova of the Czech Republic 6-2, 6-1.