|Agnieszka Radwanska serves in the second round of the China Open against Madison Keys. (Li Zhenyu/People's Daily Online)|
BEIJING, Oct. 3 (People's Daily Online) -- World No. 4 Agnieszka Radwanska cruised into the third round of the China Open with a 6-3, 6-2 win over American teenager Madison Keys here on Tuesday.
The 2011 China Open champion will face Polona Hercog, who upset the former world number one Ana Ivanovic 6-4, 6-4, in the last 16.
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