Viktor Troicki defeated Isner in the opening singles Friday and Djokovic beat Sam Querrey to give Serbia a 2-0 lead.

周五的男单比赛，德约科维奇先声夺人，开局便战胜了伊斯内尔，接下，德约科维奇击败奎罗伊，为塞尔维亚取得2 - 0领先优势。

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The victory followed wins for world no.1 Novak Djokovic and Troicki in Friday's singles matches.

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Troicki also claimed a late break of his own, but it merely delayed the inevitable.

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Marin Cilic squared the tie thanks to a 6-4, 7-5, 6-2 win over Viktor Troicki.

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