Petrova defeats Osterloh in straight sets at Istanbul
Need the scores from any match played in this or any other tournament? Results
The 25th-ranked Russian will play Marta Domachowska of Poland in the second round of the clay-court tournament, a warm-up event for the French Open.
Sorana Cirstea downed Masa-Zec Peskiric of Slovenia 6-3, 6-4 . She will play second-seeded Agnieszka Radwanska.
Tsvetana Pironkova of Bulgaria defeated Polona Hercog of Slovenia 6-4, 7-5 and Liana Ungur of Romania stopped Cagla Buyukakcay of Turkey 6-2, 4-6, 7-6 (2).
Copyright 2008 by The Associated Press