Article Photos: Berdych, Tipsarevic, Raonic into Tokyo quarters

Janko Tipsarevic of Serbia serves to Marco Chiudinelli of Switzerland during their second round match of the Japan Open tennis championships in Tokyo Thursday, Oct. 4, 2012. Tipsarevic won the match, 6-4, 6-2. (AP Photo/Shuji Kajiyama)

Janko Tipsarevic of Serbia serves to Marco Chiudinelli of Switzerland during their second round match of the Japan Open tennis championships in Tokyo Thursday, Oct. 4, 2012. Tipsarevic won the match, 6-4, 6-2. (AP Photo/Shuji Kajiyama)