<p>United States continued with their demolition act, crushing Switzerland 5-0 in the Davis Cup World Group first round clash on Sunday.<br /><br /></p>.<p>Having already clinched the tie 3-0 following Mike Bryan and Mardy Fish’s four-set win over Roger Federer and Stanislas Wawrinka on Saturday, the Americans did not step off the accelerator as Ryan Harrison and John Isner cruised home in style.<br />While Harrison beat Michael Lammer 7-6, 7-6, Isner sealed it with a 6-3, 6-4 defeat of Marco Chiudinelli.<br /><br />Results: At Oviedo: Spain lead Kazakhstan 4-0 (Nicolas Almagro bt Evgeny Korolev 6-3, 6-4; Marcel Granollers/ Marc Lopez bt Evgeny Korolev/ Yuriy Schukin 6-2, 6-3, 6-1; N Almagro bt Andrey Golubev 6-3, 4-6, 6-1, 6-1; Juan Carlos Ferrero bt Mikhail Kukushkin 6-1, 4-6, 7-6 (7-2), 4-6, 6-4).<br /><br />At Ostrava: Czech Republic lead Italy 4-0 (Lukas Rosol bt Andreas Seppi 4-6, 6-3, 6-4; Tomas Berdych/ Radek Stepanek bt Daniele Bracciali/ Potito Starace 6-3, 6-4, 6-2; T Berdych bt Simone Bolelli 6-3, 4-6, 7-5, 6-2; R Stepanek bt A Seppi 4-6, 6-4, 6-3, 3-6, 6-3).<br /><br />At Bamberg: Germany trail Argentina 0-4 (Florian Mayer lt to Juan Ignacio Chela 5-7, 5-7; Tommy Haas/ Philipp Petzschner lt to David Nalbandian Eduardo Schwank 6-3, 6-4, 4-6, 3-6, 4-6; F Mayer lt to D Nalbandian 0-6, 1-6, 6-7 (5-7); P Petzschner lt to Juan Monaco 3-6, 3-6, 3-6).<br /><br />At Fribourg: Switzerland lt to United States 0-5 (Marco Chiudinelli lt to John Isner 3-6, 4-6; Michael Lammer lt to Ryan Harrison 6-7 (0-7), 6-7 (4-7); Roger Federer/ Stanislas Wawrinka lt to Mike Bryan/ Mardy Fish 6-4, 3-6, 3-6, 3-6; R Federer lt to John Isner 6-4, 3-6, 6-7 (4-7), 2-6; S Wawrinka lt to Mardy Fish 2-6, 6-4, 6-4, 1-6, 7-9).<br /><br />At Wiener Neustadt: Austria lead Russia 3-1 (Juergen Melzer bt Alex Bogomolov Jr 6-2, 6-4, 6-1; Oliver Marach Alexander Peya lt to Nikolay Davydenko/ Mikhail Youzhny 6-7 (1-7), 7-6 (7-5), 5-7, 6-3, 4-6; Andreas Haider-Maurer bt A ex Bogomolov Jr 6-1, 6-4, 6-7 (1-7), 6-2; J Melzer beat Igor Kunitsyn 6-2, 6-7 (3-7), 6-4, 3-6, 6-1).<br /><br />At Nis: Sweden trail Serbia 1-3 (Michael Ryderstedt lt to Janko Tipsarevic 2-6, 6-7 (5-7), 5-7); Johan Brunstrom/ Robert Lindstedt bt J Tipsarevic/ Nenad Zimonjic 3-6, 6-3, 7-6 (7-4), 6-7 (3-7), 10-8; M Ryderstedt lt to Viktor Troicki 4-6, 3-6, 7-5, 3-6; Filip Prpic lt to J Tipsarevic 3-6, 6-3, 4-6).<br /></p>
<p>United States continued with their demolition act, crushing Switzerland 5-0 in the Davis Cup World Group first round clash on Sunday.<br /><br /></p>.<p>Having already clinched the tie 3-0 following Mike Bryan and Mardy Fish’s four-set win over Roger Federer and Stanislas Wawrinka on Saturday, the Americans did not step off the accelerator as Ryan Harrison and John Isner cruised home in style.<br />While Harrison beat Michael Lammer 7-6, 7-6, Isner sealed it with a 6-3, 6-4 defeat of Marco Chiudinelli.<br /><br />Results: At Oviedo: Spain lead Kazakhstan 4-0 (Nicolas Almagro bt Evgeny Korolev 6-3, 6-4; Marcel Granollers/ Marc Lopez bt Evgeny Korolev/ Yuriy Schukin 6-2, 6-3, 6-1; N Almagro bt Andrey Golubev 6-3, 4-6, 6-1, 6-1; Juan Carlos Ferrero bt Mikhail Kukushkin 6-1, 4-6, 7-6 (7-2), 4-6, 6-4).<br /><br />At Ostrava: Czech Republic lead Italy 4-0 (Lukas Rosol bt Andreas Seppi 4-6, 6-3, 6-4; Tomas Berdych/ Radek Stepanek bt Daniele Bracciali/ Potito Starace 6-3, 6-4, 6-2; T Berdych bt Simone Bolelli 6-3, 4-6, 7-5, 6-2; R Stepanek bt A Seppi 4-6, 6-4, 6-3, 3-6, 6-3).<br /><br />At Bamberg: Germany trail Argentina 0-4 (Florian Mayer lt to Juan Ignacio Chela 5-7, 5-7; Tommy Haas/ Philipp Petzschner lt to David Nalbandian Eduardo Schwank 6-3, 6-4, 4-6, 3-6, 4-6; F Mayer lt to D Nalbandian 0-6, 1-6, 6-7 (5-7); P Petzschner lt to Juan Monaco 3-6, 3-6, 3-6).<br /><br />At Fribourg: Switzerland lt to United States 0-5 (Marco Chiudinelli lt to John Isner 3-6, 4-6; Michael Lammer lt to Ryan Harrison 6-7 (0-7), 6-7 (4-7); Roger Federer/ Stanislas Wawrinka lt to Mike Bryan/ Mardy Fish 6-4, 3-6, 3-6, 3-6; R Federer lt to John Isner 6-4, 3-6, 6-7 (4-7), 2-6; S Wawrinka lt to Mardy Fish 2-6, 6-4, 6-4, 1-6, 7-9).<br /><br />At Wiener Neustadt: Austria lead Russia 3-1 (Juergen Melzer bt Alex Bogomolov Jr 6-2, 6-4, 6-1; Oliver Marach Alexander Peya lt to Nikolay Davydenko/ Mikhail Youzhny 6-7 (1-7), 7-6 (7-5), 5-7, 6-3, 4-6; Andreas Haider-Maurer bt A ex Bogomolov Jr 6-1, 6-4, 6-7 (1-7), 6-2; J Melzer beat Igor Kunitsyn 6-2, 6-7 (3-7), 6-4, 3-6, 6-1).<br /><br />At Nis: Sweden trail Serbia 1-3 (Michael Ryderstedt lt to Janko Tipsarevic 2-6, 6-7 (5-7), 5-7); Johan Brunstrom/ Robert Lindstedt bt J Tipsarevic/ Nenad Zimonjic 3-6, 6-3, 7-6 (7-4), 6-7 (3-7), 10-8; M Ryderstedt lt to Viktor Troicki 4-6, 3-6, 7-5, 3-6; Filip Prpic lt to J Tipsarevic 3-6, 6-3, 4-6).<br /></p>