Leander Paes and Lukas Dlouhy have advanced to the quarter-finals of the Paris Masters tennis tournament. In the second round of the Twentyseven Lakh Fifty Thousand euro ATP event in Paris, the third seeded Indo-Czech duo registered a tough three-set win over American pair of John Isner and Sam Querry. The duo beat their unseeded rivals 6-7, 7-5, 10-6 in an hour and 32 minutes. Paes and Dlouhy may next face seventh seeds Rohan Bopanna and Aisam-ul-haq Qureshi in the next round provided the Indo-Pak duo beat Mark Knowles of Bahamas and Andy Ram of Israel in their second round match.