Serena Williams advances to Miami Masters final with straight sets semifinal win . The world No. 1 beat the unseeded American in three sets, winning 6-2, 6-4 and 6-2 on Sunday at Arthur Ashe Stadium. American will next face Australian Open champion Li Na . Men 's No . 1 Serena Williams is through to her ninth Miami Masters final after beating Maria Sharapova at Crandon Park on Thursday . Rafael Nadal sets up semifinal clash with Tomas Berdych .
Serena Williams advances to Miami Masters final with straight sets semifinal win . The world No. 1 beat the unseeded American in three sets, winning 6-2, 6-4 and 6-2 on Sunday at Arthur Ashe Stadium. American will next face Australian Open champion Li Na . Men 's No . 1 Rafael Nadal sets up semifinal clash with Tomas Berdych .