Top seeds Liezel Huber and Lisa Raymond have lost in the semifinals of the women's doubles at the Olympics.
Serena Williams won't play mixed doubles at the Olympics, and the two U.S. teams will instead feature four doubles specialists -- the Bryan brothers, Liezel Huber and Lisa Raymond.
Yan Zi and Zheng Jie became the first Chinese players to win a Grand Slam title, winning the Australian Open women's doubles final Friday.
Former Olympic tennis champion Jennifer Capriati withdrew from the Athens Games on Tuesday, possibly signalling the end of her patchy Olympic career.
Martina Navratilova and doubles partner Lisa Raymond will play Fed Cup Nov. 19-20 against Belgium for U.S. team captain Billie Jean King.