Russia's Mirra Andreeva is only the third teenager after Chris Evert and Maria Sharapova to win the WTA Finals on their debut. (EPA Images pic)LOS ANGELES: Russian teenager Mirra Andreeva battled past Elina Svitolina in straight sets to win the season-ending WTA Finals crown on Sunday.
Andreeva powered to a 7-5, 6-3 victory in a hard-fought duel in Indian Wells to complete a superb week in California.
Reigning French Open champion Andreeva, 19, clinched the title without dropping a set in the tournament.
She is only the third teenager after Chris Evert and Maria Sharapova to win the WTA Finals on their debut.
