Unión La Calera U20 1-3 Deportes Magallanes U20 in the Campeonato Regional Formativo Sub-20, Semifinals at Estadio Municipal Nicolás Chahuán Nazar, Melipilla.

Unión La Calera U20 won 4, drew 0 and lost 1 of their previous 5 matches (W–W–W–L–W), scoring 12 and conceding 4.

Deportes Magallanes U20 won 2, drew 2 and lost 1 of their previous 5 matches (D–D–W–W–L), scoring 12 and conceding 9.

The two sides have met 1 time: Unión La Calera U20 0 wins, Deportes Magallanes U20 1, 0 draws.