Deportes Antofagasta U20 4-1 San Marcos de Arica U20 in the U20 Campeonato Regional Formativo, round 1 at Estadio Regional Calvo y Bascuñan, Antofagasta (21,178 capacity).

Deportes Antofagasta U20 won 4, drew 0 and lost 1 of their previous 5 matches (L–W–W–W–W), scoring 19 and conceding 4.

San Marcos de Arica U20 won 1, drew 1 and lost 3 of their previous 5 matches (L–W–D–L–L), scoring 11 and conceding 13.

The two sides have met 6 times: Deportes Antofagasta U20 5 wins, San Marcos de Arica U20 1, 0 draws.