Federer: Tough to maintain form

World-beater Roger Federer today offered a glimmer of hope to his rivals hoping to bridge the yawning gap between them and the Wimbledon champion.

The Swiss ace earned the right to line up alongside modern legends Bjorn Borg and Pete Sampras when he beat Andy Roddick to complete a hat-trick of triumphs at the All England Club and has been tipped to dominate Wimbledon for years to come.