United States' Sloane Stephens returns the ball to France's Caroline Garcia during a Fed Cup singles match Saturday, April 19, 2014, in St. Louis. Garcia won 6-3, 6-2. (AP Photo/Jeff Roberson)
France's Caroline Garcia celebrates after defeating United States' Sloane Stephens 6-3, 6-2 in a Fed Cup singles world group match Saturday, April 19, 2014, in St. Louis. (AP Photo/Jeff Roberson)
Serena Williams, of the United States, returns to Caroline Garcia, of France, at the Sony Open tennis tournament in Key Biscayne, Fla., Saturday, March 22, 2014. (AP Photo/Alan Diaz)
Serena Williams, of the United States, walks off the court as it begins to rain during her match against Caroline Garcia, of France, at the Sony Open tennis tournament in Key Biscayne, Fla., Saturday, March 22, 2014. (AP Photo/Alan Diaz)
Caroline Garcia, of France, reaches as she tries to return to Serena Williams, of the United States, at the Sony Open tennis tournament in Key Biscayne, Fla., Saturday, March 22, 2014. (AP Photo/Alan Diaz)
Serena Williams, of the United States, returns to Caroline Garcia, of France, at the Sony Open tennis tournament in Key Biscayne, Fla., Saturday, March 22, 2014. (AP Photo/Alan Diaz)