Olympics2012 - Djokovic, Murray & Del Potro cruises through 2nd round

Novak Djokovic reaching the Olympics Games third round with a 62 61 victory over Andy Roddick.

Andy Murray cruises past Jarkko Nieminen to reach the Olympics third round. Will Marcos Baghdatis test him?

Juan Martin Del Potro. reaches the Olympics third round with a 63 76(2) win over Andreas Seppi.