In the French Open, Sania Mirza, Leander Paes and Rohan Bopanna will begin their Doubles campaign today. Sania and her Swiss teammate Martina Hingis, the top seeds in Women's Doubles, will take on the German-Czech team of Julia Goerges and Barbora Krejcikova.In the Men's section, while the Indo-Canadian pair of Leander Paes and Daniel Nestor will clash with Aussie duo, Chris Guccione and James Duckworth, Bopanna and his Romanian partner Florin Mergea will meet the Serbian team of Filip Krajinovic and Viktor Troicki.In the Singles, Roger Federer, Maria Sharapova, Kei Nishikori, Simona Halep, Tomas Berdych and Stanislas Wawrinka are among the players who will play their second round matches today.Defending Champion Rafael Nadal top seed Novak Djokovic, yesterday began their campaign with first set victories in the first round. Nadal is bidding to become the first player since the Open era began in 1968 to win 10 titles at any Grand Slam event.