Portugal will tonight need to beat Switzerland to ensure their automatic passage to next year’s World Cup finals in Russia.
Portugal currently trail the Swiss by three points with one match remaining in their qualifying group.
A win for Portugal in Lisbon will see the European champions qualify for their fifth consecutive World Cup finals.
A draw or a defeat will put the home team in the play-offs against one of the European group runners-up.
The match kicks off at 7.45pm and will be televised by RTP1.