Azarenka, Serena in Madrid final

Current world number one Victoria Azarenka defeated Agnieszka Radwanska 6-2,6-4 to reach the final of Mutua Madrid Open against Serena Williams of USA who came through big serving Lucie Hradecka 7-6,6-0 in the semi finals. Williams is still unbeaten in clay this year and has a 6-1 head to head advantage against the world number one