World number one Rafael Nadal has vowed to avoid complacency as he looks to set up an Australian Open final against rival Roger Federer
The 22-year-old meets Fernando Verdasco tonight, having won all six of his previous matches against his fellow Spaniard
But Nadal says Verdasco's playing better than he's ever played before, and will be tough to beat.
Verdasco says he's feeling invincible after his five-set win over Andy Murray and victory over Jo-Wilfried Tsonga in the quarter-finals.
And will do his best to beat Nadal, and go on to win the tournament.
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