Berdych downs Tsonga in Shanghai
World No.6 Tomas Berdych beat Jo-Wilfried Tsonga to reach the semi-finals of the Shanghai Masters Friday.
Berdych won 6-3, 7-6(4) after dominating on serve in the first set, when he recorded the only break of the game, and winning a tie-break in the second after both players held serve.
The Czech awaits the winner of the quarterfinal clash between second seed Novak Djokovic and German veteran Tommy Haas.
The other semi-final will see either top seed Roger Federer or Croatia`s Marin Cilic face third seed Andy Murray or another Czech, Radek Stepanek.