California - Second seed Maria Sharapova of Russia advanced to the Indian Wells final on Friday when 15th seeded Serb Ana Ivanovic retired from their semi-final with a hip injury.
Sharapova was leading 6-4, 0-1 when Ivanovic decided she couldn't continue.
In Sunday's final Sharapova will face world number one Victoria Azarenka of Belarus, who beat Angelique Kerber 6-4, 6-3 in the other semi-final.