United States' Kerri Walsh passes a ball during a women's beach volleyball match against Australia at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, August 7, 2016. (Photo by Petr David Josek/AP Photo)





Unites States' Brooke Sweat, right, and Lauren Fendrick celebrate a point over Poland during a women's beach volleyball match at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, August 7, 2016. (Photo by Marcio Jose Sanchez/AP Photo)





2016 Rio Olympics, Beach Volleyball, Women's Preliminary, Beach Volleyball Arena, Rio de Janeiro, Brazil on August 6, 2016. Taliqua Clancy (AUS) of Australia prepares to serve. (Photo by Ruben Sprich/Reuters)





2016 Rio Olympics, Beach Volleyball, Women's Preliminary, Beach Volleyball Arena, Rio de Janeiro, Brazil on August 6, 2016. Karen Cope (CRC) of Costa Rica and Nathalia Alfaro (CRC) of Costa Rica celebrate. (Photo by Ruben Sprich/Reuters)





2016 Rio Olympics, Beach Volleyball, Women's Preliminary, Beach Volleyball Arena, Rio de Janeiro, Brazil on August 6, 2016. Liliana Fernandez Steiner (ESP) of Spain prepares to serve. (Photo by Ruben Sprich/Reuters)





2016 Rio Olympics, Beach Volleyball, Women's Preliminary, Beach Volleyball Arena, Rio de Janeiro, Brazil on August 6, 2016. Barbora Hermannova (CZE) of Czech Republic and Marketa Slukova (CZE) of Czech Republic celebrate. (Photo by Ruben Sprich/Reuters)





2016 Rio Olympics, Beach Volleyball, Women's Preliminary, Beach Volleyball Arena, Rio de Janeiro, Brazil on August 6, 2016. Madelein Meppelink (NED) of Netherlands and Marleen van Iersel (NED) of Netherlands celebrate. (Photo by Ruben Sprich/Reuters)





2016 Rio Olympics, Beach Volleyball, Women's Preliminary, Beach Volleyball Arena, Rio de Janeiro, Brazil on August 6, 2016. Madelein Meppelink (NED) of Netherlands and Olaya Pazo (VEN) of Venezuela compete. (Photo by Ruben Sprich/Reuters)





2016 Rio Olympics, Beach Volleyball, Women's Preliminary, Beach Volleyball Arena, Rio de Janeiro, Brazil on August 6, 2016. Isabelle Forrer (SUI) of Switzerland and Anouk Verge-Depre (SUI) of Switzerland in action. (Photo by Ruben Sprich/Reuters)





2016 Rio Olympics, Beach Volleyball, Women's Preliminary, Beach Volleyball Arena, Rio de Janeiro, Brazil on August 6, 2016. Isabelle Forrer (SUI) of Switzerland and Anouk Verge-Depre (SUI) of Switzerland during the game. (Photo by Ruben Sprich/Reuters)





2016 Rio Olympics, Beach Volleyball, Women's Preliminary, Beach Volleyball Arena, Rio de Janeiro, Brazil on August 6, 2016. Yue Yuan (CHN) of China (PRC) reacts. (Photo by Ruben Sprich/Reuters)





2016 Rio Olympics, Beach Volleyball, Women's Preliminary, Beach Volleyball Arena, Rio de Janeiro, Brazil on August 6, 2016. Yue Yuan (CHN) of China (PRC) and Wang Fan (CHN) of China (PRC) compete. (Photo by Ruben Sprich/Reuters)





2016 Rio Olympics, Beach Volleyball, Women's Preliminary, Beach Volleyball Arena, Rio de Janeiro, Brazil on August 6, 2016. Isabelle Forrer (SUI) of Switzerland and Anouk Verge-Depre (SUI) of Switzerland in action. (Photo by Ruben Sprich/Reuters)





2016 Rio Olympics, Beach Volleyball, Women's Preliminary, Beach Volleyball Arena, Rio de Janeiro, Brazil on August 7, 2016. Evgenia Ukolova (RUS) of Russia digs the ball. (Photo by Lucy Nicholson/Reuters)





2016 Rio Olympics, Beach Volleyball, Women's Preliminary, Beach Volleyball Arena, Rio de Janeiro, Brazil on August 7, 2016. Talita (BRA) of Brazil reacts. (Photo by Ruben Sprich/Reuters)





2016 Rio Olympics, Beach Volleyball, Women's Preliminary, Beach Volleyball Arena, Rio de Janeiro, Brazil on August 7, 2016. Talita (BRA) of Brazil and Larissa (BRA) of Brazil celebrate. (Photo by Ruben Sprich/Reuters)





2016 Rio Olympics, Beach Volleyball, Women's Preliminary, Beach Volleyball Arena, Rio de Janeiro, Brazil on August 7, 2016. Karla Borger (GER) of Germany and Joana Heidrich (SUI) of Switzerland compete. (Photo by Ruben Sprich/Reuters)





2016 Rio Olympics, Beach Volleyball, Women's Preliminary, Beach Volleyball Arena, Rio de Janeiro, Brazil on August 7, 2016. Joana Heidrich (SUI) of Switzerland watches. (Photo by Ruben Sprich/Reuters)





2016 Rio Olympics, Beach Volleyball, Women's Preliminary, Beach Volleyball Arena, Rio de Janeiro, Brazil on August 7, 2016. Joana Heidrich (SUI) of Switzerland and Nadine Zumkehr (SUI) of Switzerland celebrate. (Photo by Ruben Sprich/Reuters)





China's Wang Fan, right, and her teammate Yue Yuan, left, celebrate after winning their women's beach volleyball match against Switzerland at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, August 7, 2016. (Photo by Petr David Josek/AP Photo)





Unites States' Brooke Sweat dives for the ball against Poland during a women's beach volleyball match at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, August 7, 2016. (Photo by Marcio Jose Sanchez/AP Photo)