Novak Djokovic: 'It was closer than score suggests'

Novak Djokovic
© PA Photos
Novak Djokovic claims that his straight-sets victory over Juan Martin del Potro was more difficult than the score suggests.

Novak Djokovic has claimed that his straight-sets win over Juan Martin del Potro in the US Open quarter-finals was closer than the final score suggests.

The defending champion continued his bid for the title with a solid performance inside the Arthur Ashe Stadium and has yet to drop a set in the tournament.

However, the Serb admits that he was pushed hard by Del Potro during the entertaining contest on Thursday night in New York.

"I love playing night sessions," said the 25-year-old. "We played some incredible rallies and some incredible points.

"I was lucky in the second set to come out with a two-set lead. Even though it was a straight-set win, it was closer than the score indicated."

Djokovic will face David Ferrer on Saturday for a place in the final after the Spaniard beat Janko Tipsarevic.

Novak Djokovic
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