Djokovic pulls out of Davis Cup opener (AP)

[ASFN Admin]

In the absence of Novak Djokovic, David Nalbandian beat Viktor Troicki 6-4, 4-6, 6-2, 6-3 Friday to give Argentina a 1-0 lead over defending champion Serbia in the Davis Cup semifinals. Djokovic pulled out of the opening singles because of back pain, four days after beating Rafael Nadal in the U.S Open final.

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