Kei Nishikori notched the biggest win of his career Saturday, knocking off top-ranked Novak Djokovic 2-6, 7-6(4), 6-0 in the Swiss Indoors Basel semi-finals.

锦织圭在周六取得了自己职业生涯最伟大的胜利，半决赛中，他以2:6, 7:6, 6:0的比分逆转现世界排名第一的塞尔维亚人德约科维奇。

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Federer is due to play in the Madrid Masters later this month, followed by the Swiss Indoors in Basel, the Paris Masters and Tennis Masters Cup.

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The eighth seed, who reached the final of the Swiss Indoors in Basle last week, easily defeated his in-form compatriot Juan Martin del Potro 6-4 6-0 in Paris.

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Nadal, whose last title was at the Rome Masters in April, admits Djokovic is the form player in men's tennis after his victory over Roger Federer in the Swiss Indoors final last week.

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