Madison Keys, Danielle Collins, Sofia Kenin, Nicole Melichar to Represent U.S. in 2019 Fed Cup First Round vs. Australia   WHITE PLAINS, N.Y., January 30, 2019 – The USTA and United States Fed Cup Captain Kathy Rinaldi today announced that No. 17 Madison Keys, No. 23 Danielle Collins, No. 36 Sofia Kenin and doubles No. 13 Nicole Melichar will represent the U.S. in the 2019 … [Read more...] about Madison Keys, Danielle Collins, Sofia Kenin, Nicole Melichar to Represent U.S. in 2019 Fed Cup First Round vs. Australia