The duo of Rohan Bopanna and Andre Begemann has suffered a quarter-final exit from the ATP Citi Open tennis tournament in Washington. The unseeded Indo-German pair lost 4-6, 6-7 to the Filipino-Briton combo of Treat Huey and Dominic Inglot in the second round of the over 12 lakh US Dollar hard court tournament. Somdev Devvarman has already exited from the singles event and thus Indian challenge has ended in the tournament.