Flamengo will host the Under-18 CBI tournament, which will take place from October 17th to 20th. The Mengão men's team debuts on the first day, facing the Bauruense Aquatic Sports Association (ABDA) at the Fadel Fadel Aquatic Park in Gávea. The women's team kicks off at 18:15 pm, also facing ABDA. The tournament promises to be exciting, with both Flamengo teams prepared and focused on winning the title.

With a tradition in water polo, Flamengo is betting on the combination of young talent and experience to have a great campaign in the championship.

Men: Bauru Aquatic Sports Association (ABDA), Paulistano Athletic Club, Paineiras do Morumby Club, Flamengo Regatta Club, Pinheiros Sports Club, Fluminense Football Club, SESI SP and Tijuca Tennis Club.

Women: Bauru Association of Aquatic Sports (ABDA), Flamengo Regatta Club, Pinheiros Sports Club, SESI SP and Tijuca Tennis Club.