India's Leander Paes and his Czech partner Radek Stepanek have won their opening Group-A match of the ATP World Tour Finals in London. The third seeded Indo-Czech duo defeated the Pak-Dutch combination of Aisam-Ul-Haq Qureshi and Jean-Julien Rojer, 6-4, 7-5 on Tuesday night.On the other hand, the Indian duo of Mahesh Bhupathi and Rohan Bopanna has lost their opening Group-B match. The fifth seeded Indian duo went down fighting, as they lost to Jonathan Marray of Great Britain and his partner from Denmark Frederik Nielsen, 4-6, 7-6, 10-12. To stay in the semi-final race, Bhupathi and Bopanna will now have to win their next Group match against the Swedish-Romanian combination of Robert Lindstedt and Horia Tecau.