Spain's two-year grip on the Davis Cup was tenuous after losing both opening singles to France, while Croatia and Serbia were tied 1-1 in their quarterfinal on Friday. Also, the Czech Republic looked set to reach successive semifinals for the first time after sweeping Chile 2-0 in Coquimbo, and Mikhail Youzhny soothed Russian worries by tying Argentina 1-1 in Moscow. More...