Federer, Wawrinka get Swiss up over Serbia
Switzerland took advantage of Novak Djokovic's absence to open a 2-0 lead over last year's runners-up Serbia in their Davis Cup tennis tie, with Roger Federer and Stanislas Wawrinka winning their singles rubbers.
Two months after their defeat by Czech Republic in the final, Serbia fielded a second-string team who were quickly put under pressure in their World Group first round clash.
Federer beat 268th-ranked Ilija Bozoljac 6-4 7-5 6-2 while Wawrinka, fresh from winning his maiden grand slam title at the Australian Open, eased past Dusan Lajovic 6-4 4-6 6-1 7-6.
France got off to a flier against Australia with Jo-Wilfried Tsonga beating gutsy veteran Lleyton Hewitt 6-3 6-2 7-6 after Richard Gasquet outclassed Nick Kyrgios 7-6 6-2 6-2.
The Czechs, who retained the Davis Cup in November, were losing 1-0 to the Netherlands in Ostrava, with Radek Stepanek going down in five sets to Robin Haase before Tomas Berdych plays Igor Sijsling.
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