Defending champion Jarmila Gajdosova of Australia advanced to the quarterfinals of the Guangzhou Open by beating Mandy Minella of Luxembourg 4-6, 6-2, 6-3 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…