Leander Paes [Images] and Mahesh Bhupathi [Images] easily advanced to the quarter-finals of the US $ 2,615,000 Cincinnati Masters tournaments along with their respective partners.

The sixth seeded pair of Paes and Lukas Dlouhy of the Czech Republic defeated Ivo Karlovic of Croatia and Rogier Wassen of Netherlands 6-4, 6-2 in the second round. 

Meanwhile, Bhupathi and his Bahamian partner Mark Knowles got a walkover from Czech pair Tomas Berdych and Radek Stepanek.

Both Paes-Dlouhy and Karlovic-Wassen pairs had plenty of chances against each other and offered many a breakpoints.

Both the pairs got four breakpoints each in the first set. The Indo Czech pair converted two and saved three to take the lead.

In the second set, Karlovic and Wassen squandered three breakpoints to hand the match to Paes and Dlouhy in just 58 minutes.

Paes and Dlouhy will play second seeds Daniel Nestor of Canada [Images] and Serbian Nenad Zimonjic in the next round, while Bhupathi and Knowles will face the winners of the second round match between Mardy Fish [Images]/John Isner and Jonas Bjorkman/Kevin Ullyett.

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