Gustavo Kuerten (Pípè ni Potogí: [ɡusˈtavu ˈkiɾtẽ]; born September 10, 1976) is a retired former World No. 1 tennis player from Brazil. He won the French Open three times (1997, 2000, and 2001), and was the Tennis Masters Cup champion in 2000, becoming the only player to defeat Pete Sampras and Andre Agassi in the same major tournament.