Rafa Nadal, Novak Djokovic in final
LONDON -- Defending champion Novak Djokovic set up an enticing final against Rafael Nadal with a 6-3, 6-3 victory Sunday over Stanislas Wawrinka at the ATP World Tour Finals.
Nadal ended Roger Federer's hopes of finishing a disappointing season on a high note, defeating the six-time champion 7-5, 6-3 in the other semifinal.
Unbeaten in his round-robin matches this week, the second-seeded Djokovic extended his winning streak to 21 matches since losing in the US Open final ...
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