New York: Polish fourth seed Agnieszka Radwanska was knocked out of the US Open on Wednesday, going down 6-3, 6-4 to China's Peng Shuai in the second round.


Agnieszka Radwanska 

Radwanska, the champion in Montreal in the run-up to the tournament, had also lost to the Chinese player at the same stage in New York in 2010. Her defeat continued her miserable record at the US Open where she has never got beyond the fourth round.