Defending champion Novak Djokovic reached his 14th successive Grand Slam quarter-final on Wednesday when Swiss 18th seed Stanislas Wawrinka was forced to retire from their US Open last-16 match.
Novak Djokovic of Serbia hits a return to Stanislas Wawrinka of Switzerland during their men's singles match at the 2012 US Open tennis tournament in New York. Djokovic reached his 14th successive Grand Slam quarter-final on Wednesday when Wawrinka was forced to retire.
Serb second seed Djokovic was 6-4, 6-1, 3-1 ahead when Wawrinka, who had already complained of feeling unwell at the end of the third game of the third set, called it quits.
This article is older than 60 days, which we reserve for our premium members only.You can subscribe to our premium member subscription, here.