The two Brazilian teams will compete in the tournament, which brings together teams under 18 from South America and Europe. Athletico is in group two, alongside Real Madrid, Wolverhampton, and Córdoba, while São Paulo is in group three, with Málaga, Sporting, and Dinamo Zagreb. The teams will play each other in the first round, with Athletico facing Wolverhampton and São Paulo facing Dinamo Zagreb on Monday at 14:00 (Brasília time). The teams will be allowed to make nine substitutions during the matches, which will last 80 minutes, divided into two 40-minute periods. The two best-placed teams in each group and two of the best third-placed teams will qualify for the quarterfinals.