Sania Mirza and her Swiss team-mate Martina Hingis have stormed into the Women's Doubles Final of the US Open, the fourth and final Grand Slam of the season.In the semi-finals this morning, the Indo-Swiss pair defeated the Italian team of Sara Errani and Flavia Pennetta in straight sets, 6-4, 6-1.In Mixed Doubles, the duo of Leander Paes and Martina Hingis also made it to the Final. The 4th seeded Indo-Swiss pair defeated the Indo-Taiwanese pair of Rohan Bopanna and Yung-Jan Chan.In the men's singles, top seed Novak Djokovic will play against defending champion Marin Cilic and Swiss Roger Federer will face his fellow countryman Stanislas Wawrinka in the semifinals . In Women's Singles, 26th placed Italian Flavia Pennetta. will meet world number two Simona Halep.The other semi-final will be played between world number one and defending champion Serena Williams and Italy's Roberta Vinci.