Argentina's futsal Under-17s beat Ecuador 5-0 in Luque in their opening Group B match. Valentino Martínez, Thomas Barrios, Enzo López, Valentín Latrechiano and Gian Soñer scored in the two-time defending champions' first outing.
Lanús won 3-0 at the Mario Alberto Kempes stadium and closed round four of the Clausura on six points. Dylan Aquino broke the deadlock and Yoshan Valois scored twice against a Talleres side with three defeats in four matches.
The Franjeado beat Douglas Haig 4-1 through goals from Mauro Siergiejuk, Gervasio Núñez, Gianfranco Alegre and Lautaro Cerato. Three first-half goals set up a victory that left the Formosa side alone at the top of their group.