The Indian duo of Mahesh Bhupathi and Rohan Bopanna will lock horns with the Spanish pair of Marcel Granollers and Marc Lopez in the Men's Doubles semi-finals of the Internazionali BNL D'Italia tennis tournament at Rome.In the quarterfinals played yesterday, the seventh seeded Indian duo defeated the top seeded Belarusian-Canadian combine of Max Mirnyi and Daniel Nestor, 6-4, 7-5.The Indo-Czech pair of Leander Paes and Radek Stepanek had crashed out of the tournament in the pre-quarterfinals of the event.