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Berdych, Tipsarevic and Raonic advance to quarterfinals of Tokyo Open

Tomas Berdych, Janko Tipsarevic and Milos Raonic advanced to the quarterfinals of the Japan Open with comfortable victories on Thursday.

Second-seeded Berdych of the Czech Republic earned a 6-3, 7-5 victory over Alejandro Falla of Colombia, Serbia's Tipsarevic beat Marco Chiudinelli of Switzerland 6-4, 6-2, and Canadian Raonic went through when Serb Victor Troicki retired with an injury when trailing 3-0 in the first set.

Tipsarevic will take on Raonic in the quarters, while Berdych will play either Spain's Tommy Robredo or local hope Kei Nishikori.

Top-seeded Andy Murray had already booked his spot in the quarters on Friday, when he will meet Switzerland's Stanislas Wawrinka.