Madison Keys, Alison Riske, Christina McHale, and Lauren Davis will face defending champion team Italy February 8 and 9 in Cleveland in the season's opening World Group Fed Cup tie. Playing for Italy will be Karin Knapp, Camila Giorgi, Nastassja Burnett, and Alice Matteucci.
Both Serena Williams and Sloane Stephens are injured, and the usual members of the Italian team have asked for a rest from Fed Cup.
Here are the other World Group teams:
Spain vs. Czech Republic:
Carla Suarez Navarro
Slovak Republic vs. Germany
Australia vs. Russia