Federer crashes out

Roger Federer crashed out at the fourth round of the Sony Ericsson Open in Miami as Tomas Berdych triumphed 6-4 6-7(3/7) 7-6(8/6) in a gruelling battle.

The world number one committed 62 unforced errors and was broken three times as Berdych of the Czech Republic fought through in just under three hours, ending an eight-match losing streak against the Swiss star.