 The final set of qualifying games for the 1970 World Cup took place against Haiti . The first leg was won by El Salvador in Haiti , 2 – 1 , with goals from Elver Acevedo ( 43 ' ) and Mauricio ' Pipo ' Rodríguez ( 62 ' ) . The second leg was lost 3 – 0 . The playoff game on 8 October 1969 was won by El Salvador with a goal by Juan Ramón " Mon " Martínez ( 14 ' a.e.t. ) . Thus the El Salvador national football team qualified for their first World Cup , even though it was their first time attempting qualification . 
