• ATP World Tour Finals

Djokovic crushes Berdych

Novak Djokovic dominated the match from the opening point © Getty Images

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Novak Djokovic powered past Tomas Berdych to get his London campaign off to a winning start.

The world No. 3 needed an hour and 28 minutes to outgun a misfiring Berdych 6-3 6-3 to go top of Group A.

The last time the pair met in London, Berdych upset Djokovic in the semi-finals at Wimbledon in July, but Djokovic, who had his revenge in Serbia's Davis Cup victory over Czech Republic in September, came flying out of the blocks.

It was a nervy start from Berdych, who served two double faults in his opening service game to surrender the advantage to his opponent, and a break to the good, Djokovic looked imperious.

After an easy hold of serve, Djokovic nearly made it 3-0 after battling back from 0-40 down, forcing Berdych to dig deep and save four break points to finally get on the scoreboard.

Berdych was misfiring, while everything was going in Djokovic's favour. The Serb's winners were tickling the lines; Berdych's shots were sneaking just long, or wide.

The world No. 6 was unable to find any way past Djokovic's serve, winning just five points on return in the opening set. And Djokovic carried his momentum into the second, and grabbed another early break to put himself in the driving seat.

Berdych battled valiantly, and saved match point with a perfectly-timed lob, but he had left himself too much of a mountain to climb, and the Serb wrapped up a convincing victory.

"It was a great start for me," Djokovic said. "Tomas is always a tricky opponent on any surface, he has a big serve. He didn't serve well today so whenever I could I used my opportunities, I served well when I needed to and I am just happy."

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