Russia kept the tie in Wiener Neustadt alive courtesy of a five-set victory 7-6 (7-1) 6-7 (7-9) 7-5 3-6 4-6 by Nikolay Davydenko and Mikhail Youzhny over Alexander Peya and Olivier Marach to leave Austria 2-1 up with just Sunday's singles to play.

CNN: Federer loses again as Swiss crash out to U.S.