Iran is joined by Oman and Japan in the Finals with all three seeking to become the first side from the continent to land the biggest prize on sand.
The top two teams from each group will advance to the quarter-finals.
Two-time champions Portugal will be Iran’s toughest opponents but the Central Asian side will be confident of not only topping the group but also winning the world title for the first time.
Third in 2017 and 2024, Iran will be bolstered by its performance in the AFC Beach Soccer Asian Cup 2025 where a swashbuckling performance saw the team lifting the continental title for a record fourth time.
Team Melli will take on Mauritania on Thursday.