Djokovic, Tsonga win at China Open

Third-seeded Jo-Wilfried Tsonga downed Uzbekistan's Denis Istomin, 4-6, 6-1, 7-6 (3), firing 14 aces.

Russia's Mikhail Youzhny beat seventh-seeded German Tommy Haas 6-4, 4-6, 6-2.

Among the women, Li Na defeated Russian Nadia Petrova 6-1, 6-2, and Marion Bartoli overcame Japanese qualifier Ayumi Morita, 6-4, 6-3. Jelena Jankovic downed Romanian Monica Niculescu 6-2, 6-1.