Li Na bows out at Indian Wells Tennis Garden Li Na of China returns volley to Angelique Kerber of Germany during their Women's singles...

Li Na bows out at Indian Wells Tennis Garden

Li Na of China returns volley to Angelique Kerber of Germany during their Women's singles match at the Indian Wells WTA tennis tournament in Indian Wells, California March 14, 2012. (Reuters Photo)

Li Na of China hits a return to Angelique Kerber of Germany during their Women's singles match at the Indian Wells WTA tennis tournament in Indian Wells, California March 14, 2012. (Reuters Photo)

Li Na of China reacts as her ball drops in off the net during her match against Angelique Kerber of Germany at the Indian Wells Tennis Garden on March 14, 2012 in Indian Wells, California. (AFP Photo)

Li Na of China reacts after losing a point in during her match against Angelique Kerber of Germany at the Indian Wells Tennis Garden on March 14, 2012 in Indian Wells, California. (AFP Photo)

Li Na of China competes agaist to Angelique Kerber of Germany during their Women's singles match at the Indian Wells WTA tennis tournament in Indian Wells, California March 14, 2012.