seeded Novak Djokovic beat unheralded Lukasz Kubot of Poland 6-3, 7-6 (0) in the Serbia Open final Sunday to win the first ATP Tour tournament held in his home country. Djokovic played in his fourth straight final after being runner-up in Miami, Monte Carlo and Rome. It was his 13th career title. “Although this is not one of the biggest tournament I had won, it means the most to me,” Djokovic told some 7,000 spectators that packed a makeshift tennis stadium on the banks of the Danube River. Djokovic's family brought the first ATP event to Serbia this year after buying the license from the former ABM Amro Open in the Netherlands. Jankovic advances Jelena Jankovic beat Nuria Llagostera of Spain 6-2, 6-1 Sunday to reach the second round of the Madrid Open, a joint ATP and WTA Tour tournament. Agnes Szavay of Hungary upset 12th-seeded Flavia Pennetta of Italy 6-3, 6-7 (2), 6-2 in the first round of the clay-court event at Madrid's new “Magic Box” tennis center. On the men's side in the first round, 16th-seeded Tommy Robredo rallied to defeat Nicolas Kiefer of Germany 3-6, 6-2, 6-2, and Spanish wild card Juan Carlos Ferrero beat Igor Kunitsyn of Russia 6-3, 4-6, 6-4. Meanwhile, Roger Federer said he could still beat Rafael Nadal, even on the Spaniard's favorite surface.