Zhang Shuai and Wang Yafan lost in straight sets, while top seed Belinda Bencic continues her climb into the world top 10.
Bencic, the Swiss No 1, defeated Wang Yafan 6-2, 6-2, marking her sixth victory in a row.
I felt good on the court. I tried to play aggressively, tried to play my game, and it worked out well.
Bencic's win follows her recent victory at the Japan Open, and she is now rising in the rankings after being "913 or something" a year ago.
Author's summary: Bencic progresses in Hong Kong Tennis Open.