Maria Sharapova at the 2014 Italian Open in Rome (Reuters)
Image credit: Eurosport
China's second seed Li Na snapped a career-long jinx against Australian Samantha Stosur, winning 6-3 6-1 having lost their previous six meetings, and will meets Italy's Sara Errani in the last eight.
World number one Serena Williams brushed aside fellow American Varvara Lepchenko 6-1 6-2 to draw level with sister Venus for the most career wins among active players. Serena's 652nd win set up a quarter-final against China's Zhang Shuai.
Italian Open third round results
1-Serena Williams (US) beat Varvara Lepchenko (US) 6-1 6-2