Agnieszka Radwanska, of Poland, returns a shot to Simona Halep, of Romania, during their semifinal match at the BNP Paribas Open tennis tournament, Friday, March 14, 2014, in Indian Wells, Calif. (AP Photo/Mark J. Terrill)
Simona Halep, of Romania, reacts after hitting to Agnieszka Radwanska, of Poland, during their semifinal match at the BNP Paribas Open tennis tournament, Friday, March 14, 2014, in Indian Wells, Calif. (AP Photo/Mark J. Terrill)
Agnieszka Radwanska, of Poland, hits to Simona Halep, of Romania, during their semifinal match at the BNP Paribas Open tennis tournament, Friday, March 14, 2014, in Indian Wells, Calif. (AP Photo/Mark J. Terrill)
Ernests Gulbis, of Latvia, hits to John Isner during their quarterfinal match at the BNP Paribas Open tennis tournament on Friday, March 14, 2014, in Indian Wells, Calif. (AP Photo/Mark J. Terrill)
John Isner volleys with Ernests Gulbis, of Latvia, during their quarterfinal match at the BNP Paribas Open tennis tournament on Friday, March 14, 2014, in Indian Wells, Calif. (AP Photo/Mark J. Terrill)