In March 2001, she came through qualifying to win a $25,000 tournament at Hangzhou, defeating Akiko Morigami, Zheng Jie and Rika Fujiwara in the last three rounds.
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In April, she reached the semi-final of a $75,000 tournament at Dothan, Alabama, losing to Varvara Lepchenko.
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2003 was a relatively poor year for Liu as a singles player until December, when she reached the quarter-final of a $50,000 tournament at Shenzhen with a clean run of five straight sets wins in qualifying and the main draw, only to cede victory to Zheng Jie by default.
Lucy Liu | Liu Bei | Liu Ruyi | Liu Xiang | Liu Shaoqi | Liu Kang | Jesseca Liu | Liu Yunshan | Liu Yan (general) | Liu Yan | Liu Tang | Bernice Liu | Liu Yazi | Liu Yao | Liu Qi | Liu Hong | Liu Bocheng | Laurin Liu | Eric Liu | Masaki Liu | Liu Zhang | Liu You | Liu Yongfu | Liu Yifei | Liu Yang (violinist) | Liu Yang | Liu Xiaobo | Liu Xian | Liu Wu | Liu Wenhui |