PARIS: Defending champion Serbia, Germany and the United States all sealed their spots in the Davis Cup quarter-finals after winning their World Group first round ties Sunday. They join Spain, Argentina and Sweden who had already advanced Saturday. Serbia booked a clash with Sweden after coming away 4-1 winners in Novi Sad over India, as Germany's tie with Croatia went down to the wire in Zagreb before the visitors went through 3-2. They next meet either France or Austria who are level 2-2 in Vienna. Andy Roddick scored the winning point for the United States in Santiago when he defeated Chile's Paul Capdeville 3-6, 7-6 (7-2), 6-3, 6-3, to set up a last eight tie against Spain. Viktor Troicki lived up to his reputation and beat Somdev Devvarman 6-4, 6-2, 7-5 to give his side an unassailable 3-1 lead. Janko Tipsarevic then beat India's Karan Rastogi 6-0, 6-1 in the final dead rubber. In Zagreb, Philipp Petzschner ensured Germany advanced following a three-set tussle with big-hitting Ivo Karlovic 6-4, 7-6 (7-3), 7-6 (7-5). Marin Cilic had pulled Croatia level 2-2 by beating Philipp Kohlschreiber 6-2, 6-3, 7-6 (8/6) in the first of the day's reverse singles. The Rafael Nadal-inspired Spaniards beat Belgium 4-1 at Charleroi. Steve Darcis got a point back for Belgium beating Feliciano Lopez 6-7 (4/7), 7-6 (8/6), 7-6 (7/3) in the final dead rubber. Roddick, meanwhile, came back after dropping a set to defeat Capdeville in just over three hours after doubles specialists Bob and Mike Bryan had put the USA ahead Saturday with a 6-3, 6-3, 7-6 (7-4) success over Jorge Aguilar and Nicolas Massu. In Buenos Aires, Eduardo Schwank beat Romania's Victor Crivoi 7-6 (7-3), 6-2 to give Argentina a 4-0 lead. Argentina next plays either Czech Republic or Kazakhstan who are level 2-2 in Ostrava. In Boraas, Russia saved face by winning its two reverse singles after seven-time champion Sweden took an unassailable 3-0 lead on Saturday. Dmitry Tursunov beat Simon Aspelin 7-5, 6-2 and Igor Andreev saw off Joachim Johansson 7-6 (10-8), 6-4 for a final 3-2 scoreline. Last year's finalists France were being pushed to the wire by Austria with Jurgen Melzer beating Gilles Simon 7-6 (9/7), 3-6, 1-6, 6-4, 6-0 to level 2-2 to the delight of the crowd packed into a hanger at Vienna airport. Dokic wins Malaysian Open Australia's Jelena Dokic beat Lucie Safarova of the Czech Republic 2-6, 7-6 (9), 6-4 in the Malaysian Open Sunday to earn her sixth career WTA singles title after a nine-year drought. Dokic recovered from a first set loss to overcome the fifth-seeded Safarova in a hard-fought game that lasted 2 hours, 40 minutes. It was Dokic's first WTA singles victory since June 2002. Jankovic reaches final Top-seeded Jelena Jankovic of Serbia reached the final of the Monterrey Open with a 6-3, 6-2 victory over eighth-seeded Polona Hercog of Slovenia Saturday. Jankovic, now ranked No. 6, will face defending champion Anastasia Pavlyuchenkova of Russia. The second seed defeated Gisela Dulko of Argentina 6-4, 6-1 in the other semifinal.