Ranked 18th in the world in 2000, Li achieved gold medals in the women's team, women's doubles and mixed doubles events at the XVII Commonwealth Games held between 25 July and 4 August 2002 in Manchester, and was ranked eighth in November 2002. The following year, in December 2003, Li was a member of the Singapore team which swept the top awards at the 23rd Southeast Asian Games in the women's team, women's singles, women's doubles and mixed doubles.