The 29th-ranked Srebotnik downed Virginia Ruano Pascual 6-2, 6-0, and Dushevina defeated Iveta Benesova 6-3, 6-3 at Olympic Stadium.
Benesova failed to convert six break points against Dushevina.
Dushevina lost last year's final to top-seeded Agnieszka Radwanska, who was to play Caroline Wozniacki later Friday.
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