his Spanish rival 's No . 2 ranking and Juan Martin del Potro beats Janko Tipsarevic 6-2 , 6 -3 to reach Tomas Berdych final . Federer is chasing a record-equaling first Masters title and the No . 2 ranking . Tomas Berdych will play Federer after beating Janko Tipsarevic 7-6 ( 5 ) , 7 -6 ( 6 ) Fastest serve record broken in Berdych by Australian journeyman .
Juan Martin del Potro beats Janko Tipsarevic 6-2 , 6 -3 to reach Tomas Berdych final . Federer is chasing a record-equaling first Masters title and the No . 2 ranking . Tomas Berdych will play Federer after beating Janko Tipsarevic 7-6 ( 5 ) , 7 -6 ( 6 ) Fastest serve record broken in Berdych by Australian journeyman .