Samantha Stosur's Australian Open preparations hit another hurdle yesterday as the US Open champion was beaten in straight sets by Francesca Schiavone in the first round of the Sydney International.

Samantha Stosur

Stosur, the fifth seed in Sydney, never looked likely against her conqueror in the 2010 French Open final, giving up five breaks of serve against the world No 11 before going down 6-2, 6-4 in one hour and 30 minutes.