Winner of this US Open three years ago, Stan Wawrinka really had to work to beat 6-4 7-6 (11/9) 7-6 (7/4) after 2h58 'of play the lucky Italian loser of 37 years. Despite his two marathons in the first two rounds – 9h18 'of presence on the court – the Roman has, indeed, offered a superb replica to push his opponent in his entrenchments in three sets.
Paolo Lorenzi led 4-4 0-40 in the first set, then got an equalizer in one set-up in the deciding second set before beating five break points at the start of the third set. Author of 24 aces, Stan Wawrinka was able to count on his first ball to get out of the trap set by the Transalpine.
On Sunday, Stan Wawrinka will face the winner of the match between defending champion Novak Djokovic and American Denis Kudla (ATP 111).