Nadal better than Federer again

Rafael Nadal advanced to the semifinals of the Masters Series in Cincinnati in 1000 after he beat Swiss tennis player Roger Federer with 5-7, 6-4, 6-3. It was a 31 Nadal and Federer clash in which the Spaniard has made ​​21 victory. Including three this season in as many games. Rival Nadal in the semifinals will be Czech Tomas Berdych who had previously defeated Britain's Andy Murray to 6-3, 6-4. In the other semi-final will meet Argentina's Juan Martin Del Potro and American tennis player John Isner. Del Potro defeated Russian Dmitry Tursunov 6-4, 3-6, 6-1, while Isner won the best player in the world Novak Djokovic 7-6 (5), 3-6, 7-5.