The Indo-Bahamian pair beat Italians Simone Bolelli and Andreas Sippi 6-3, 5-7, 10-7 to set up a clash with fourth seeds Brazillians Marcelo Melo and Andre Sa.
Andreas Seppi experienced some early hiccups before getting past Ramkumar Ramanathan 6-4, 6-2 in the opening rubber, while 22-year-old Matteo Berrettini made a winning Davis Cup debut, cruising past India number one Prajnesh Gunneswaran 6-4, 6-3.
