PERTH — Novak Djokovic and Ana Ivanovic led Serbia into the Hopman Cup final, winning their singles matches Friday over Germany. Djokovic beat Tommy Haas 6-2, 6-0, while Ivanovic lost only 15 points in defeating Tatjana Malek 6-0, 6-1. The Serbs will face Spain in Saturday's final. “It's been a great performance from beginning to the end,” Djokovic said. “I was really focused from the start and I just felt drastically better than in the first few days.” In mixed doubles, Haas withdrew, citing a toe injury. Earlier, South Africa beat France 2-1 when Jo-Wilfried Tsonga had to retire in the deciding mixed doubles match with a left hamstring injury. The Frenchman was later forced to withdraw from next week's Sydney International. Chanelle Scheepers of South Africa beat Mathilde Johansson 4-6, 6-4, 6-4 before Tsonga defeated Kevin Anderson 7-6 (4), 7-6 (3), including winning the final five points of the first-set tiebreaker. During the singles match, Tsonga injured his leg while stretching for a shot.Tsonga said he was unsure of the exact nature of his injury, but his retirement was a precaution to ensure he doesn't worsen the problem before the Australian Open, which begins in Melbourne on Jan. 14th. Li cruises to Shenzhen final Chinese tennis star Li Na cruised into the final of the Shenzhen Open with a straight sets victory in her semifinal match Friday, putting her in pole position to claim her seventh WTA singles title. Li is the firm favorite to take the trophy on home soil Saturday when she faces off against Czech Klara Zakopalova, who is ranked 21 places below her. The Chinese No. 1 and top seed beat compatriot Peng Shuai 6-4, 6-0 in one hour 13 minutes to set up the final with fifth seed Zakapalova, who had earlier defeated Romanian Monica Niculescu 6-1, 6-3. Radwanska to face Wickmayer Top seed Agnieszka Radwanska overcame blustery conditions and a dogged Jamie Hampton in the semifinals of the Auckland Classic on Friday to set up a title clash against Belgium's Yanina Wickmayer. The Polish world No. 4 had to dig deep in the year's first tournament to edge out the 70th-ranked American 7-6, 7-6. Wickmayer won 6-4, 1-6, 7-6 after struggling against Barthel's serve in the windy conditions.
