Guangzhou, 22 September 2011 | AP

Defending champion Jarmila Gajdosova of Australia advanced to the quarter-finals of the Guangzhou Open by beating Mandy Minella of Luxembourg 4-6 6-2 6-3 on Wednesday.

Top-seeded Maria Kirilenko also advanced, defeating Iryna Bremond of France 6-3 6-1.

Zheng Jie, the last Chinese player in the tournament, moved into the next round by beating Noppawan Lertcheewakarn of Thailand 6-3 7-5, while Zhao Yijing of China lost to Tetiana Luzhanska of Ukraine 6-4 2-6 7-5.