Andrey Golubev posted his second singles win of the weekend in clinching a Davis Cup series win for Kazakhstan Sunday over Austria.
Julian Knowle and Alexander Peya teamed for a doubles win Saturday that kept Austria alive in a best-of-five Davis Cup series versus Kazakhstan.
Straight-set victories Friday by Andrey Golubev and Evgeny Korolev have Kazakhstan on the verge of a Davis Cup first-round series win over Austria.
The Kazakh Davis Cup team will turn to Andrey Golubev to key its first-round series this weekend against Austria.
A doubles victory by Nicolas Kiefer and Philipp Kohlschreiber Saturday gave Germany a 2-1 Davis Cup advantage over Austria.
The Bryan brothers Saturday trounced Julian Knowle and Jurgen Melzer 6-1, 6-4, 6-2 to give the United States a 3-0 Davis Cup quarterfinal lead over Austria.
Andy Roddick and James Blake each claimed tough victories in Vienna, giving the United States a 2-0 Davis Cup lead over Austria in a best-of-five series.
World No. 6-ranked Andy Roddick kicks off the United States' defense of its Davis Cup title with a match Friday in Austria against Jurgen Melzer.
There will be no changes in the U.S. team next week when it begins defending its 2007 title in a first-round tie against Austria at Vienna.