Result: Novak Djokovic powers past Tomas Berdych in four sets

Novak Djokovic celebrates defeating Tomas Berdych at the Australian Open tennis championship on January 22, 2013
© AP Photos
Novak Djokovic holds off a second-set charge from Tomas Berdych to book his place in the Australian Open with relative ease.

Novak Djokovic overcame a second-set wobble to ease past Tomas Berdych 6-1 4-6 6-1 6-4 in their Australian Open quarter-final today.

The Serb showed no signs of fatigue from his five-hour battle with Stanislas Wawrinka in the early going, quickly securing a double break to claim the first set in 28 minutes.

Berdych battled back in the second and used a succession of huge forehand winners to earn a vital break of serve.

Djokovic had two break points of his own to save the set but could not take advantage as the Czech levelled the match.

From the third set on Djokovic took complete control, forcing a string of unforced errors from Berdych, who tightened up on serve and struggled to keep the ball in play on crucial points.

Berdych went a break down early in the fourth and despite fighting on with a back problem could not find a way to respond.

Djokovic served out the match with ruthless efficiency to advance to the last four, where he will face Spanish battler David Ferrer.

Serbia's Novak Djokovic in action against Ryan Harrison during the second round of the Australian Open tennis championship on January 16, 2013
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ATP RankingsPoints
1Scotland flag Andy Murray7,750
2Spain Rafael Nadal7,555
3Switzerland Roger Federer7,145
4Switzerland Stanislas Wawrinka5,780
5Serbia Novak Djokovic5,325
6Croatia Marin Cilic5,155
7Alexander Zverev4,470
8Austria Dominic Thiem4,030
9Japan Kei Nishikori3,285
10Canada Milos Raonic3,230
11Bulgaria Grigor Dimitrov3,070
12France Jo-Wilfried Tsonga2,770
13Belgium David Goffin2,560
14Spain Roberto Bautista Agut2,425
15Czech Republic Tomas Berdych2,390
16United States Jack Sock2,335
17Pablo Carreno Busta2,305
18Lucas Pouille2,220
19United States John Isner2,110
20United States Sam Querrey2,060