keywords: federer gaudio unbeaten reigns match
text: Gaudio no match as regal Federer reigns Roger Federer #39;s luminous talent can lighten up the gloomiest of days, and so it was on a decidedly dark and dreary opening to the Masters Cup that the Swiss world No1, who was unbeaten when he won the title here last year, shone brightly as ever with a 6-1 