Andy Ram and Julian Knowle, the 8th seeds, beat America’s Eric Butorac and Rajeev Ram 6-7, (3-7), 6-4, 6-4, 6-2.
Ram and Knowle take on Spain’s Marc Lopez and David Marrero on Court 19 at 1pm today.
Jesse Levine and compatriot Ryan Sweeting overcame Stephane Robert and Rogier Wassen 2-6, 6-2, 6-2, 6-2.
Levine and Sweeting take on Robert Lindstedt and Horia Tecau on Court 8 at noon on Friday.