Novak Djokovic happy with improved serve

Novak Djokovic
© PA Photos
Novak Djokovic reveals that he is happy with the improvement in his serve during this week's Shanghai Masters.

Novak Djokovic has revealed that he has been a lot happier with his serve during his progression at this week's Shanghai Masters.

The world number two booked his place in the quarter-finals on Thursday with a comfortable 6-3 6-3 victory over Feliciano Lopez.

"I'm trying to enjoy the efficiency of my serve," the Serbian, who hit 12 aces during the match, told reporters.

"I'm not very well known around the tour for big serving. But so far in this tournament, and also in Beijing, it has been working very well for me.

"It has been giving me a lot of free points, a lot of confidence in the matches."

Djokovic's reward for beating Lopez is a quarter-final encounter with German veteran Tommy Haas.

Novak Djokovic
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