Former champion John McEnroe believes Roger Federer is virtually unbeatable as he prepares to defend his Wimbledon crown.

SWISS master Roger Federer may seem a superhuman sports star to his fans around the world.

Pete Sampras was today facing a severe test of his Wimbledon credentials in his first-round clash with Britain’s Martin Lee.

Swiss prodigy Roger Federer tonight stunned Pete Sampras by beating the reigning Wimbledon champion in the fourth round.