Novak Djokovic continued his steady return to form as he booked his place in the quarter-finals of the Internazionali BNL d'Italia in Rome on Thursday.

World number one and top seed Angelique Kerber suffered an unexpected defeat to Estonian qualifier Anett Kontaveit in the second round of the Internazionali BNL d'Italia in Rome.

Maria Sharapova and Li Na will meet in the final of the Internazionali BNL d'Italia in Rome after Serena Williams withdrew from her semi-final today.