The 'Swiss Master' starts defence

Federer, who is aiming to become the first man in the Open era to win three consecutive Australian Open crowns, has been fighting a stomach virus since his arrival in Australia last week and has barely picked up a racquet after withdrawing from the AAMI Classic.The draw sets up the top seed with a potential quarter-final clash against last year's finalist Fernando Gonzalez.Andy Murray faces a testing encounter against rising French star Jo-Wilfried Tsonga.
Murray, seeded ninth, has played the 22-year-old from Le Mans only once before - in last year's Davis Cup where Murray triumphed 6-3 6-3.Should Murray get through he is scheduled to meet fiery Argentinean Juan Ignacio Chela in the third round before a possible round of 16 clash against another Frenchman, eighth seed Richard Gasquet.The 20-year-old Scotsman has been drawn in the same half as in-form American Andy Roddick and Spanish second seed Rafael Nadal, who are drawn to clash in a tantalising quarter-final.Argentina's David Nalbandian was drawn against Australian wildcard Robert Smeets in the first round while local hope Lleyton Hewitt, the 19th seed, will meet Belgium's Steve Darcis in his first match.