Fourth seeds Rohan Bopanna and Florin Mergea entered the semifinals of the ATP Mercedes Cup in Stuttgart, Germany today beating Mate Pavic and Michael Venus in straight sets. The Indo-Romanian pair beat the Croat-Kiwi combine 7-6, 6-2 in the quarter finals. They next face the winner of the other quarter final between second seeded pair of Marcin Matkowski/Nenad Zimonjic and Dustin Brown/Andreas Haider-Maurer.