Wozniacki overpowered Peer after a hard-fought opening set
Top seeds Caroline Wozniacki and Vera Zvonareva will go head to head for the China Open title in Beijing after straight sets wins in the semi-finals
Wozniacki, the new world number one, saw off Israel's Shahar Peer 7-5 6-2 and Zvonareva ended Li Na's hopes of a home success with a 6-3 6-3 victory.
Top seed Novak Djokovic saw off John Isner of the United States 7-6 (7-1) 6-2 in the first men's semi.
He will face David Ferrer or Ivan Ljubicic in the final.
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