Stanislas Wawrinka leads defending champion Novak Djokovic by two sets to one in the quarterfinals of the Australian Open tennis tournament.
Switzerland’s Wawrinka, the No. 8 seed, lost the first set 6-2 before coming back to win the next two 6-4, 6-2.
Djokovic, the No. 2 seed from Serbia, is seeking a fourth consecutive Australian Open title and a fifth in all.
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