Li summoned a will worthy of a Grand Slam semifinal but certainly not shocking for the 2011 French Open champion .
Li fought off six match points on her serve and down 5 - 2 , before holding in a nearly 14 - minute game .
Summoning a will worthy of a Grand Slam semifinal but certainly not shocking for the 2011 French Open champion , Li fought off six match points on her serve and down 5 - 2 , before holding in a nearly 14 - minute game .