Seventh seeds Leander Paes [Images] and Martin Damm of the Czech Republic won a marathon five-setter to advance into the men's doubles semi-finals at Wimbledon [Images] on Wednesday.

In a rain-interrupted quarter-final, the Indo-Czech pair beat fourth seeds Paul Hanley [Images] of Australia and Kevin Ullyet of Zimbabwe 7-6 (8), 6-7 (5), 6-7 (5), 7-6 (7), 6-2 in four hours and 20 minutes.

Paes-Damm take on the winner of the match between Fabrice Santoro-Nenad Zimonjic and Jonas Bjorkman-Max Mirnyi.

In another doubles match, Mark Knowles of Bahrain and Daniel Nestor of Canada [Images], seeded third, were stretched into the longest doubles Grand Slam match by Simon Aspelin and Todd Perry.

The fifth set alone lasted more than three hours, as Knowles-Nestor overcame their opponents and fatigue to win 5-7, 6-3, 6-7 (5), 6-3, 23-21.

The match was suspended due of darkness Tuesday with the fifth set 11-11.

The previous longest doubles match at a Grand Slam was 5 hours, 29 minutes, at the 1990 Australian Open, when Pieter Aldrich and Danie Visser of South Africa [Images] beat Scott Davis and Robert Van't Hof of the United States in five sets, 23-21 in the deciding set.

In the boys' singles, India's Sanam Singh, seeded eighth, went down to 12th seed Artur Chernov of Russia [Images] 6-2, 6-3 in the third round.

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