World champion Wang Yihan has beaten Saina Nehwal of India 21-13, 21-13 and ensured the women's singles final in Olympic badminton will be an all-Chinese contest.
Wang will meet either second-ranked Wang Xin or No. 3 Li Xuerui for the gold medal on Saturday.
The taller and quicker Wang blunted Nehwal's grit, winning in 42 minutes Friday.
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