Top seed and defending champion Ding Ning of China breezed past Dederko Zhenhua of Australia 4-0 to reach the second round of the World Table Tennis Championships here Wednesday.
Ding, also the London Olympics silver medallist, beat the 220th-ranked Dederko 11-6, 11-2, 11-5, 11-3, reports Xinhua.
Third seed Li Xiaoxia, who beat her teammate Ding to win the gold in London, also advanced with a victory over Ruta Paskauskiene 11-7, 11-4, 8-11, 11-3, 11-4.
Feng Tianwei, the fourth seed from Singapore, defeated Iulia Necula 4-11, 11-8, 11-6, 11-4, 11-6.
China's qualifier Hu Limei, ranked 1267th, continued her brilliant form by demolishing Hungary's Georgina Pota. She was joined by other four Chinese teammates Liu Shiwen, Chen Meng, Wu Yang and Zhu Yuling.
Liu, the second seed, beat Englishwoman Kelly Sibley 11-3, 11-2, 11-1, 11-8.
