Svetlana Kuznetsova of Russia returns a shot against Karolina Pliskova of the Czech Republic during their semi final match of the 2017 BNP Paribas Open tennis tournament at the Indian Wells Tennis Garden in Indian Wells, California, USA, 17 March 2017. EPA/LARRY W. SMITH
Kristina Mladenovic of France serves against Elena Vesnina of Russia during their semi final match of the 2017 BNP Paribas Open tennis tournament at the Indian Wells Tennis Garden in Indian Wells, California, USA, 17 March 2017. EPA/DANIEL MURPHY
Jack Sock of USA in action against Kei Nishikori of Japan during their match at the 2017 BNP Paribas Open tennis tournament at the Indian Wells Tennis Garden in Indian Wells, California, USA 17 March 2017. EPA/PAUL BUCK
Kei Nishikori of Japan serves against Jack Sock of United States during their match at the 2017 BNP Paribas Open tennis tournament at the Indian Wells Tennis Garden in Indian Wells, California, USA 17 March 2017. EPA/LARRY W. SMITH
Karolina Pliskova of Czech Republic returns a shot against Svetlana Kuznetsova of Russia during their semi final match of the 2017 BNP Paribas Open tennis tournament at the Indian Wells Tennis Garden in Indian Wells, California, USA, 17 March 2017. EPA/LARRY W. SMITH