In season's final grand slam US Open top seeds Novak Djokovic and Serena Williams will be seen in second round action in the evening.In Men's section defending champion Marin Cilic will be up against unseeded Evgeny Donskoy of Russia in second round. Two time US Open champion Spaniard Rafael Nadal, 7th seed David Ferrer and 10th seed Milos Ranoic will also be playing their second round matches.Besides Serena in women's section two time champ Venus Williams will try to make her mark as she takes on her compatriot Irina Falconi in second round.The Wimbledon winning mixed pair of Leander Paes and Martina Hingis will start their campaign today. Fourth seeded Indo-Swiss pair will be taking on unseeded Amercians Claire Liu and Taylor Harry Fritz. In Men's Doubles event sixth seeded Indo-Romanian pair of Rohan Bopanna and Florin Mergea will be up against American pair of Austin Krajicek and Nicholas Monroe in the first round.