Indian ace Mahesh Bhupathi [Images] and partner Mark Knowles of The Bahamas moved into the quarter-finals of the euro 2,270,000 Madrid Masters after their opponents handed them a walk-over in the second round.

The duo were up against the Spanish pair of Rafael Nadal [Images] and Carlos Moya [Images], who opted out of the contest due to a lower back injury to the world No 1.

Fourth seeds Bhupathi and Knowles had a bye in the first round.

The third seeded Indo-Czech pair of Leander Paes [Images] and Lukas Dlouhy will play their second round match against Spanish wild cards Pablo Andujar and Marcel Granollers.

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