Sania Mirza, Leander Paes and Rohan Bopanna will begin their campaigns today at the US Open tennis, the final Grand Slam of the season. Sania, who had recently parted ways with Martina Hingis after a successful stint, is pairing with Czech Barbora Strycova in this tournament. Seeded seventh, Sania and Barbora will take on the American team of Ena Shibahara and Jada Myii Hart in the first round.In Men's Doubles, Rohan Bopanna and his Danish team-mate Frederik Nielsen will face the Czech-Serb pair of Radek Stepanek and Nenad Zimonjic. In Mixed Doubles, the due of Leander Paes and Martina Hingis will meet the American pair of Frances Tiafoe and Sachia Vickery. In the Singles, world number one Novak Djokovic, Rafael Nadal, Angelique Kerber and Garbine Muguruza are among those who will play their second round matches today.Yesterday, Williams sisters – Serena and Venus – Andy Murray, Stanislas Wawrinka, Juan Martin del Potro and Agnieszka Radwanka progressed to the second round.