(Reuters) - Defending champion Novak Djokovic marched into the third round of the U.S. Open on Friday with a 6-2 6-1 6-2 victory over world number 112 Rogerio Dutra Silva.
The Serb was a class above the 28-year-old Brazilian as he stormed to victory in one hour, 39 minutes.
Second seed Djokovic dropped just two games in his opening-round win and Dutra Silva managed only three more as the Serb ripped his game apart.
Djokovic made just 14 unforced errors as he cruised through to a meeting with France's Julien Benneteau or American wildcard Dennis Novikov.
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