Jan. 21 (Bloomberg) -- Defending champion Novak Djokovic won the fourth set against Stanislas Wawrinka to level the scores at two sets each 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 took the fourth set 6-3.
Djokovic, the No. 2 seed from Serbia, is seeking a fourth consecutive Australian Open title and a fifth in all.
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