Bogota:Colombia need to be patient and play intelligently against Ecuador in their 2018 World Cup South American qualifiers, former Colombia coach Reinaldo Rueda has said. Colombian Reinaldo Rueda has coached both teams, said it would be a difficult for Colombia, reports Xinhua. "It will be a hard-fought match because both teams have been playing strong. Colombia had an excellent and intelligent match against Bolivia and Ecuador, despite the draw with Paraguay, is very powerful and mature," said Rueda on Monday, 58, who led Colombia to Germany 2006 World Cup and coached Ecuador to Brazil 2014. The Ecuadorian team arrived on Sunday in Barranquilla and held a training season at sea level. On Monday, both teams trained at the Metropolitano Stadium. Colombia and Ecuador, both led by Argentine coaches - Jose Nestor Pekerman and Gustavo Quintero respectively, will play on Wednesday.