The Serbian team will play without top-ranked Novak Djokovic.
Czech pair Frantisek Cermak and Lukas Rosol have been selected to play Ilija Bozoljac and Nenad Zimonjic in Saturday's doubles, but captain Jaroslav Navratil is expected to bring in Berdych and Stepanek. Changes are also possible for the Serbian pair.
The winner of the best-of-five series will face Argentina or Croatia in September's semifinals.
Austria has won three of four meetings with Spain, which is again without Rafael Nadal.
Spain can pass Germany with a 23rd straight win on home soil -- it hasn't slipped up since 1999 -- for the second-longest run in the competition.
Information from The Associated Press was used in this report.