Vienna: The Indo-Romanian tennis combine of Rohan Bopanna and Florin Mergea lost in the men's doubles first round of the Vienna Open to be ousted from the 1,745,040-euro tournament here.

Wild card but experienced pair of Julian Knowle (Austria) and Daniel Nestor (Canada) took an hour and 41 minutes to beat the fourth seeded Bopanna and Mergea 7-6(5), 5-7, 10-4 at the Wiener Stadthalle on Wednesday.