Dubai, March 2: India's Rohan Bopanna and his Polish partner Marcin Matkowski advanced to the semi-finals of the Dubai Duty Free Tennis Championships defeating Romania's Florin Mergea and Serbia's Viktor Troicki 6-3 6-4 in the quart-finals here on Thursday.

 
 Playing with his fourth different partner of the season, Bopanna and Matkowski had shocked second seeds Ivan Dodig and Marcel Granollers 5-7, 6-3 11-9 in the opening round of one of the hard court tournament.
 
 The unseeded pair of Bopanna and Matkowski could now face Indian veteran Leander Paes and Spain's Guillermo Garcia-Lopez in the semi-finals if the Indo-Spanish pair beat third seeds Daniel Nestor from Canada and Frenchman Edouard Roger-Vasselin in their quarter-final game.