Result: Rafael Nadal survives Grigor Dimitrov test to reach last four of Australian Open

Rafael Nadal survives a brief scare to advance past Grigor Dimitrov and into the Australian Open semi-finals.

World number one Rafael Nadal battled back from a set down to beat Grigor Dimitrov and advance into his fourth Australian Open semi-final on Wednesday.

The Spaniard, who missed the tournament last year, saved three set points in the crucial third on his way to a 3-6 7-6 7-6 6-2 victory in three hours and 37 minutes at Rod Laver Arena.

Rafael Nadal roars in celebration during the Australian Open quarter-final against Grigor Dimitrov in Melbourne on January 22, 2014© Getty Images

The 22-year-old Bulgarian showcased the power, court coverage and booming serve that tennis pundits have suggested could take him to the top of the game as he tested Nadal, although he was unable to capitalise at crucial moments of the match.

He held two set points in the third only for Nadal to seize the advantage and clinch the tie-break 9-7, then the Spanish left-hander hammered the nail in the coffin of Dimitrov's hopes when he broke in the second game of the fourth.

Nadal held serve to take a 3-0 lead that he never looked like relinquishing and completed victory to set up a mouth-watering clash against either Roger Federer or Andy Murray for a place in the final.

Andy Murray celebrates victory over Go Soeda in their first round match of the Australian Open on January 14, 2014
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