Leander Paes and his Swiss partner Martina Hingis have won the Mixed Doubles trophy of season's Final Grand Slam, the US Open. In the summit clash 4th seeded Indo-Swiss pair defeated Americans Bethanie Mattek-Sands and Sam Querrey 6-4, 3-6, 10-7 to lift their third title of this season. Paes and Hingis have together won the Australian Open and Wimbledon Championship earlier this year.Meanwhile, in a major shock unseeded Italian Roberta Vinci stunned Defending Champion Serena Williams of US to reach Women's Singles Final and ended Serena's dream run for a calendar-year Grand Slam. In the semi final clash, 43rd ranked Vinci pulled off one of the biggest upsets in US Open history, dethroning World Number One Serena 2-6, 6-4, 6-4.While the other semi final showcased another Italian, the 26th seed Flavia Pennetta pipping out 2nd seed Simona Halep of Romania 6-1, 6-3 to make it an all Italian Final.In the men's last 4 matches, top seed Novak Djokovic of Serbia showed no hiccups as he defeated Defending Champion Marin Cilic of Croatia 6-0, 6-1, 6-2. And second seed Swiss Roger Federer beat his compatriot Stanislas Wawrinka 6-4, 6-3, 6-1 to be in the finals.