The American defeated the world number one to advance
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Juan Martin Del Potro will advance to face Roger Federer on Wednesday
The Four-Seed still has a chance to leave New York as world no.1
The Argentine eliminated the 2014 US Open champion on Friday
The Frenchman overcame a strong effort by the young American
The Serb registered the first big upset at the US Open
The jury is still out on what the future may hold for the Australian
The 1977 Australian Open title is among the many accomplishments from the Brooklyn native
The Dark Horse is into the second week at Wimbledon
The twenty-year-old is world no. 65 and climbing
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