Rohan Bopanna and Kristof Vliegen overcame a first set deficit to beat Jonathan Erlich and Janko Tipsarevic and book a semi-final berth in the Atlanta Tennis Championships in the USA.

Bopanna and his Belgian partner scored a 3-6, 7-6(7), 10-8 win over the Israeli-Serbian pair in the quarter-finals of the $531,000 hard court ATP event.

Erlich and Tipsarevic had ousted British top seeds Colin Fleming and Ken Skupski in the opening round.

The next opponents for the Indo-Belgian pair are Stephen Huss of Australia and Brazilian Andre Sa, who got a walk over from American pair of Andy Roddick and Mardy Fish.