Geneva - Results on Friday at Davis Cup World Group quarter-final ties: (x indicates new result). <#>

At Moscow, Russia v Czech Republic

Marat Safin, Russia, def. Tomas Berdych, Czech Republic, 6-7 (5-7), 4-6, 6-3, 6-2, 6-4

Radek Stepanek, Czech Republic, def. Igor Andreev, Russia, 6-3, 6-2, 6-4

Russia level with Czech Republic, 1-1

at Bremen, Germany v Spain

Rafael Nadal, Spain, def. Nicolas Kiefer, Germany, 7-6 (7-), 6-0, 6-3

x David Ferrer, Spain, def. Philipp Kohlschreiber, Germany, 6-7 (3-7), 6-3, 6-4, 6-2

Spain lead Germany, 2-0

at Buenos Aires, Argentina v Sweden

x David Nalbandian, Argentina, def. Thomas Johansson, Sweden, 6-2, 5-7, 6-4, 6-2

x Robin Soderling, Sweden, def. Jose Acasuso, Argentina, 6-0, 6-4, 6-1

Argentina level with Sweden, 1-1

at Winston-Salem, US v France

x Andy Roddick, US, def. Michael Llodra, France, 6-4, 7-6 (7-3), 7-6 (7-5)

US lead France, 1-0 more (dpa)