Johanna Larsson of Sweden returns a ball to Yulia Putinseva of Russia during their semi final WTA Swedish Open match in Bastad, Sweden, on July 18, 2015. EPA/ADAM IHSE

Slovakia’s Anna Karolina Schmiedlova returns the ball to Sara Errani of Italy during their final match of the BRD Bucharest Open WTA tennis tournament in Bucharest, Romania, 19 July 2015. Schmiedlova won 7-6(3) and 6-3. EPA/ROBERT GHEMENT

Mona Barthel of Germany returns the ball to Sweden’s Johanna Larsson during their WTA Swedish Open final in Bastad, Sweden, 19 July 2015. EPA/BJORN LARSSON ROSVALL SWEDEN OUT

Sara Errani of Italy serves to Slovakia’s Anna Karolina Schmiedlova during their final match of the BRD Bucharest Open WTA tennis tournament in Bucharest, Romania, 19 July 2015. Schmiedlova won 7-6(3) and 6-3. EPA/ROBERT GHEMENT

Slovakia’s Anna Karolina Schmiedlova lifts her trophy after beating Sara Errani of Italy in their final match of the BRD Bucharest Open WTA tennis tournament in Bucharest, Romania, 19 July 2015. Schmiedlova won 7-6(3) and 6-3. EPA/ROBERT GHEMENT