The pair has knocked out Romania’s Florin Mergea and Serbia’s Viktor Troicki 6-3 6-4 in the quarter-finals of the USD 2,617,160 hard court tournament.
Matkowski is Bopanna’s 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.
Bopanna, who had won the season-opening Chennai Open with compatriot Jeevan Nedunchezhiyan, produced his second best performance of the season.