Hantuchova, who swept Zheng out of the Pacific Life Open last year, will now face her doubles partner, Japanese Ai Sugiyama, in the 3rd round.

汉图楚娃堪称郑洁的“苦主”，去年在太平洋寿险杯就曾直落两盘淘汰中国金花，她第三轮的对手将是自己的双打搭档日本名将杉山爱。

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Seeds Agnieszka Radwanska, Flavia Pennetta, Alisa Kleybanova, Agnes Szavay, Sybille Bammer and Aleksandra Wozniak also advanced, but Alize Cornet, Dominika Cibulkova, Zheng Jie, Ai Sugiyama and Sara Errani failed to progress.

BBC: Jelena Jankovic