London: Rohan Bopanna and Florin Mergea knocked out the top seeded and legendary American twins Mike and Bob Bryan to storm into the men's doubles semifinals of the Wimbledon championships, here.

The ninth seeded Indo-Romanian rallied to shock the three-time champions 5-7 6-4 7-6(9) 7-6(5) in the quarterfinals, in which engrossing tennis was played for two hours and 34 minutes, last night.