Switzerland leads United States 1-0 in their round one Davis Cup World Group tennis tie at Birmingham in Alabama after Stanislas Wawrinka beat James Blake 3-6 6-4 6-3 7-6.
Argentina leads Netherlands 2-0 in Buenos Aires, France and the Czech Republic are 1-1 in Ostrava, Croatia leads Chile 2-0 in Porec and Russia's 2-0 up in Romania.
Sweden and Israel are 1-all in Malmo and so are Germany and Austria in Garmisch-Partenkirchen.
