Djokovic through after Wawrinka retirement at the 2012 US Open

Novak Djokovic‘s fourth round match with Stanislas Wawrinka was cut short after the Swiss retired in the third set with an as of yet unnamed injury. Djokovic led 6-4 6-1 3-1 when Wawrinka decided to call it a day and will face either Andy Roddick or Juan Martin Del Potro in the quarter [...]