 However the next game Castillo had a better performance against Millonarios which Cali won 4–1 and then began to reach a well level that allowed him be nominated in the 23-man Uruguayan squad to face the 2010 FIFA World Cup at South Africa.Following Uruguay's successful World Cup at Africa where they finished in the fourth place, Castillo returned to Cali to face the Torneo Finalización where "Los Azucareros" failed to qualify the playoffs to contest the league title.Not obstant the Uruguayan was a key player in the Copa Colombia title obtention.