India's tennis star Sania Mirza bagged her second consecutive Grand Slam title of the season, and fifth overall, as she won the US Open women's doubles with Swiss partner Martina Hingis, in New York. The top-seeded Indo-Swiss team outplayed the fourth seed Aussie-Kazakh team of Casey Dellacqua and Yaroslava Shvedova 6-3 6-3 in the final last night. Sania's win capped off a memorable US Open for Indians as Leander Paes had won the mixed doubles trophy with Hingis on Saturday, in a repeat show of the Wimbledon. It was Sania and Hingis' second Major title in a row, having won the Wimbledon championships earlier this season. Sania now has five Grand Slam titles in her collection. She won three Mixed Doubles trophies, the last one coming at this very venue with Bruno Soares in 2014. In an extraordinary season, Hingis has won five Grand Slam titles this season, taking her overall number to 20. She won three titles with Paes and two with Sania. Meanwhile, rain has delayed the start of the U.S. Open men's Singles final between top seed Novak Djokovic and second seed Roger Federer this morniong. World number one Djokovic is seeking to win his third grand slam crown of the year after winning the Australian Open and Wimbledon titles. Federer is aiming to add to his all-time record 17 grand slam singles titles and first since his 2012 Wimbledon triumph.