Rafael Nadal enjoyed his first-ever win over American James Blake to reach the semi-finals of the Pacific Life Open.

The Spaniard finally got the upper hand when he broke in game eight of the third set and came through 7-5 3-6 6-3.

He will face Novak Djokovic, who beat Stanislas Wawrinka 7-6 (7-2) 6-2.

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In the women's event, Ana Ivanovic will face fellow Serb Jelena Jankovic in the last four.

Jankovic reached the semis when Lindsay Davenport retired with a back injury after losing the first set 6-2.

Australian Open champion Maria Sharapova, the fourth seed, and second seed Svetlana Kuznetsova will meet in the other semi-final.

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