China's Li Na climbed into a career-high third of WTA rankings released on Monday with 6,045 points for reaching the WTA Championships final where she lost against Williams Sunday.
Li rose from fifth to third at the expense of Russian Maria Sharapova and Poland's Agnieszka Radwanska in what was the only change in the top 10.
American Serena Williams wrapped up her best career year at op the women's tennis rankings, amassing 13,260 points ahead of Belarussian Victoria Azarenka, who collects 8,046 points.
Williams, 32, won 11 tournaments - including the French Open, US Open and the WTA Finals in Istanbul.
She also became the first women player to earn more than 12 million dollars in prize money one year.