From typicallyspanish.com

Spain Sports News
Djokovic stops Nadal, but the Spaniard set to be World Number One
By h.b.
Aug 3, 2008 - 12:14 PM

Serbian tennis player and world number three, Novak Djokovic, has eliminated Rafa Nadal in the semi-final of the masters in Cincinnati. Djokovic goes on to meet Andy Murray in the final after the Briton defeated the Croat Ivo Karlovic.

The 6-1 and 7-5 win puts an end to a 32 match run without a defeat for Nadal, but even so with this result Rafa Nadal will be declared to be World Number One officially on August 18.