Liezel Huber, Vania King, Madison Brengle, and Ahsha Rolle are playing for the U.S. in the April 26-27 Fed Cup semifinal against Russia. The Russian team will consist of Svetlana Kuznetsova, Anna Chakvetadze, Dinara Safina, and Elena Vesnina.
For the China vs. Spain semifinal, the teams are:
China: Peng Shuai, Zheng Jie, Yan Zi, and Sun Tiantian
Spain: Nuria Llagostera Vives, Carla Suarez-Navarro, and Arantxa Parra-Santonja