Top-seeded Agnieszka Radwanska of Poland and third-seeded Dominika Cibulkova of Slovakia were both straight-set winners in the semifinals at the Bank of the West Classic on Saturday.
Radwanska downed fourth-seeded American Jamie Hampton, 6-3, 6-2, to advance to her third final appearance of the year.
Cibulkova whipped Cirstea, 6-4, 6-0, in just 1 hour and 22 minutes to advance to her second final of the year.
Sunday's final will feature a rematch of the Apira International at Sydney from earlier this year, where Radwanska shutout Cibulkova, 6-0, 6-0.
The winner of this tournament will receive $125,000.