In New York tonight, the Indo-Czech duo of Leander Paes and Radek Stepanek will take on the Spanish combo of Marcel Granollers and Marc Lopez in the Men's Doubles semi-finals of the U.S. Open tennis championships. In the quarter-final yesterday, the fifth-seeded Indo-Czech duo outplayed Julian Knowle of Austria and Slovakia's Filip Polasek in straight sets 6-2 6-4 in just 74 minutes.In their quarter-final fixture, the sixth seeded Spanish combo of Marcel Granollers and Marc Lopez had defeated the pair of Bruno Soares of Brazil and Austria's Alexander Peya 6-3 6-4.