Andy Roddick refocussed after losing his cool yesterday to reach the third round of the Shanghai Masters with a 7-6 (7/3), 7-5 win as top American Mardy Fish crashed out to Australian teen Bernard Tomic.

Andy Roddick

After Bulgaria's Grigor Dimitrov broke Roddick in the ninth game of the second set to lead 5-4, the American smashed his bag repeatedly in frustration but immediately broke back to level at 5-5, saving a set point.