Boca Juniors kept up appearances when they booked their spot in the Club World Cup final with a 1-0 win over Tunisia's Etoile Sahel on Wednesday evening.

News photoNeri Cardozo of Argentina's Boca Juniors reacts after scoring the match's only goal in the 37th minute of the first semifinal of the Club World Cup against Etoile Sahel of Tunisia on Wednesday at Tokyo's National Stadium. KYODO PHOTO

Neri Cardozo's first-half strike against the African champions was enough to ensure there would be a South American presence again at Sunday's showpiece in Yokohama, despite Boca having Fabian Vargas sent off with 25 minutes to go.