Serbia's Novak Djokovic reacts after a point against Switzerland's Stanislas Wawrinka during their men's singles semi-final match on day twelve of the 2015 Australian Open tennis tournament in Melbourne on January 30, 2015. AFP PHOTO / MANAN VATSYAYANA -- IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE (Photo credit should read MANAN VATSYAYANA/AFP/Getty Images)
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AFP MANAN VATSYAYANA