WARSAW (AFP) Romanias Alexandra Dulgheru successfully defended her WTA Warsaw Open title by beating Chinese fifth seed Zheng Jie 6-3, 6-4 in the final here on Saturday. Unseeded Dulgheru had seen off Ukrainian seventh seed Kateryna Bondarenko, whose sister Alona she beat in last years final, in the first round and defeated Zhengs third-seeded countrywoman Li Na in the last four.