The seventh seeded Russian, whose best performance remains a 2007 semi-final place, comfortably reached the last 16 with a 6-2, 6-3 win over Taiwan qualifier Chan Yung-Jan.
Sharapova, who needs to win the French Open to complete a career grand slam, will take on Polish 12th seed Agnieszka Radwanska, who beat Belgian Yanina Wickmayer 6-4 6-4. WATCH PREVIEW Maria Sharapova vs Chan Yung-Jan:
Sharapova, who needs to win the French Open to complete a career grand slam, will take on Polish 12th seed Agnieszka Radwanska, who beat Belgian Yanina Wickmayer 6-4 6-4. WATCH PREVIEW Maria Sharapova vs Chan Yung-Jan: