Djokovic beat by Del Potro in first round at Rio, Williams sisters in first-ever doubles defeat
Djokovic defeats del Potro to reach Wimbledon final
Djokovic, Federer set for championship clash at ATP finals
Surgery dashes Del Potro's French Open and Wimbledon hopes
Big hitters advance to next round
Davydenko crushes Del Potro to win World Tour Finals
Del Potro defeat of Federer leaves Murray in the cold
Race for top spot heats up ahead of London Masters
Federer stunned by Benneteau, Nadal escapes early exit
Roger-Vasselin sends del Potro out of Japan Open in first round
Federer faces Del Potro for sixth straight title
Del Potro crushes Nadal to reach first grand-slam final
Del Potro battles his way into semis
Murray to face Del Potro in final
Del Potro beats Roddick in ATP Washington final
Roddick and Del Potro book Washington final showdown
Murray made to work hard for first win
Safina, Roddick power into second round
Del Potro hammers Robredo, sets up Federer clash
Federer to face Del Potro in quarter-finals
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