One day after 2014 Australian Open men's champion Stan Wawrinka fell out of the French Open in the first round, the women's champion followed suit.
China's Li Na, the second seed at Roland Garros, fell to local favorite Kristina Mladenovic 7-5, 3-6, 6-1.
The 21-year old Mladenovic, ranked 103rd in the world, will next face...
