Sara Errani, of Italy, shows the exhaustion of playing three sets against Belinda Bencic, of Switzerland, during the Family Circle Cup tennis tournament in Charleston, S.C., Friday, April 4, 2014. (AP Photo/Mic Smith)
Belinda Bencic, of Switzerland, reacts to Sara Errani, of Italy, during the Family Circle Cup tennis tournament in Charleston, S.C., Friday, April 4, 2014. (AP Photo/Mic Smith)
Belinda Bencic, of Switzerland, reacts to defeating Sara Errani, of Italy, in three sets during the Family Circle Cup tennis tournament in Charleston, S.C., Friday, April 4, 2014. (AP Photo/Mic Smith)