The Showdown (formerly The BNP Paribas Showdown, NetJets Showdown, Billie Jean King Cup) is a one-night tennis exhibition featuring the greatest names in tennis and has been held in some of the most iconic venues in the world such as Madison Square Garden in New York City. The event format has changed from year-to-year including male and female current and retired players playing singles and doubles. Previous players include: Roger Federer, Serena Williams, Venus Williams, Pete Sampras, Andre Agassi, Novak Djokovic, Rafael Nadal, Andy Murray, Andy Roddick, John McEnroe, Maria Sharapova, Ivan Lendl and Bob & Mike Bryan.