An unforced error led Murray to set point , which Berdych saved before delivering an ace to set up his own .
Murray rushed to the net to lead 2 - 1 before his string broke to allow Berdych parity at 3 - 3 .
An unforced error led Murray to set point , which Berdych saved before delivering an ace to set up Berdych 's own .
Murray rushed to the net to lead 2 - 1 before his string broke to allow Berdych parity at 3 - 3 .