SEOUL – Men's top seed Chen Long of China successfully defended his Korea Open title here Sunday, ending the run of India’s Ajay Jayaram in the final. In the women's singles final, Sung managed a minor upset with a thrilling three-game win over the fourth-seeded Wang, 21-14, 17-21, 21-18. In the all-Korean men's doubles final, top seeds Lee Yong-Dae and Yoo Yeon-Seong defeated Kim Gi-Jung and Kim Sa-Rang 21-16, 21-12. And two games were also enough for Indonesian sixth seeds Nitya Krishinda Maheswari and Greysia Polii who won the women's doubles title, beating South Korea's Chang Ye-Na and Lee So-Hee 21-15, 21-18. In the mixed doubles final, Chinese top seeds Zhang Nan and Zhao Yunlei comfortably beat Indonesian second seeds Tontowi Ahmad and Liliyana Natsir 21-16, 21-15.