Reigning Olympic doubles champions Serena and Venus Williams and Bob and Mike Bryan lead a talented squad of 12 players who qualified for the 2016 U.S. Olympic Tennis Team.
The remaining members are making their Olympic debut. Completing the women's squad are singles players Madison Keys and Sloane Stephens and the doubles team of Bethanie Mattek-Sands and CoCo Vandeweghe.
The Williams sisters will compete in both singles and doubles. On the men's side, singles players include Brian Baker, Steve Johnson, Denis Kudla and Jack Sock. Johnson and Sock will team up to join the Bryans in the doubles competition.
The U.S. will nominate two entries in mixed doubles, which will be competed for only the second time since tennis returned to the Olympic program at the Seoul 1988 Games. The teams will be put together from the 12-player roster after the players arrive in Rio.
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Named to their fourth and fifth Olympic teams, respectively, Serena and Venus will look to defend their doubles gold and extend U.S. dominance in the event.
In the nine times that women's doubles has been played in the Olympic Games since 1920, the U.S. has won seven gold medals.
The only two times an American duo has not taken Olympic gold was at the inaugural competition at the Antwerp 1920 Olympic Games and again at the Athens 2004 Olympic Games.
The Williams sisters have contributed three golds to that dominance, having won the tournament three of the last four times. Serena also will be defending her individual gold medal, won on Wimbledon's Centre Court at the London 2012 Olympic Games.
The Bryans earn their fourth Olympic selection and are in search of their third Olympic medal in as many Games, having won gold in London and bronze at the Beijing 2008 Olympic Games.