Wales are aiming to qualify for the World Cup play-offs for the first time since 1958. Iran is in last place in Group B after losing 6-2 to England in the first leg. Iran has never advanced beyond the group stage and has only won one of their last 11 World Cup matches. These teams have only met

Costa Rica will try to stifle Spain's talented team with the defensive discipline they are known for.

A game that can determine which of the two will advance from Group C.