YOKOHAMA, Japan, May 1 (Xinhua) -- The top four seeds in both the men's and women's singles at the world table tennis championships duly won their third round games on Friday evening.

    It wasn't a good day for Europe as only three men and four women advancing to the round of the last 16 with Asia once again dominating.

    China's Wang Hao, Ma Lin, Ma Long and Wang Liqin, the top men's seeds, were just too strong for their rivals.

    Wang Hao dashed the hopes of Slovakia's Thomas Keinath, Olympic champion Ma Lin triumphed over Portugal's Tiago Apolonia, Ma Long overpowered Croatian veteran Zoran Primorac and defending world champion Wang Liqin disposed of Adrien Mattenet of France.

    Chinese women were unstoppable, too.

    Top-seeded Zhang Yining crushed Romania's Daniela Dodean while Guo Yue made short work of Chinese Taipei's Huang I-Hua.

    Li Xiaoxia, the third seed, controlled everything to beat Germany's Elke Schall and Guo Yan, seeded fourth, defeated South Korean Park Yoong Sook.

    The winning Europeans were Germany's Dimitrij Ovtcharov, Denmark's Michael Maze and Panagiotis Gionis of Greece, with the Czech Republic's Renata Strbikova, Hungary's Krisztina Toth, CzechIveta Vacenovska and Li Jiao of the Netherlands flying the women's flag.

    Ovtcharov nipped Hong Kong star Ko Lai Chak as Maze shut out Croatian Andrej Gacina and Gionis sent India's Sharath Kamal Achanta packing.

    For the women, Toth downed Spain's Zhu Fang, Strbikova subdued Viktoria Pavlovich of Belarus, Vacenovska won over Slovakia's Eva Odorova and Li Jiao ousted Singapore's Sun Bei Bei.

    The biggest surprise of the day was produced by South Korea's Dang Ye Seo who upset eighth-seeded compatriot Kim Kyung Ah.