Australian tennis player Jarmila Gajdosova (L) celebrates her victory against Germany’s Angelique Kerber with her teammate Samantha Stosur during the quarter final of the Tennis Fed Cup in Stuttgart, Germany, 07 February 2015. EPA/BERND WEISSBROD

Victoria Azarenka of Belarus returns the ball to Heather Watson of Britain during the Women?s tennis Fed Cup Europe/Africa Zone Group I match Belarus vs Britain in Budapest, Hungary, 07 February 2015. EPA/TIBOR ILLYES HUNGARY OUT

Maria Sharapova of Russia in action against Poland?s Urszula Radwanska in the womens Fed Cup World Group tennis match Poland vs Russia in Krakow, Poland, 07 February 2015. EPA/Jacek Bednarczyk POLAND OUT

Silvia Soler Espinosa of Spain returns to Romania’s Simona Halep, during their tennis match counting for the Fed Cup World Group II first round match Romania vs Spain, held at ‘Dunarea’ arena in Galati city, 240 Km north-east from Bucharest, Romania, 07 February 2015. Halep won the match. EPA/ROBERT GHEMENT

Poland’s Agnieszka Radwanska in action against Svetlana Kuznetsova of Russia in the womens Fed Cup World Group tennis match Poland vs Russia in Krakow, Poland, 07 February 2015. The match takes place on 07-08 February in Krakow. EPA/Jacek Bednarczyk POLAND OUT

Maria Sharapova of Russia celebrates winning against Poland?s Urszula Radwanska in the Womens Fed Cup World Group tennis match Poland vs Russia in Krakow, Poland, 07 February 2015. EPA/Jacek Bednarczyk POLAND OUT