Serena Williams and Li Na, the top two women tennis players in the world, have entered the quarterfinals of the Madrid Open following their respective third round victories on Thursday.
The 17-time Grand Slam winning American has remained on course for a third consecutive Madrid Open title by beating Spain's Carla Suarez Navarro 6-2, 6-3 to set up a meeting with fifth seed Petra Kvitova in the last eight.
According to Sport24, second seed Li Na had a more difficult morning as she had to come from a set down to beat 16th seed American Sloane Stephens 2-6, 6-3, 6-2.
Next up for Li is a meeting with four-time Grand Slam champion Maria Sharapova, who beat Australian Samantha Stosur 6-4, 6-3, in the last eight, the report added.
