The national team, which has secured first place in the group, arrives in Liechtenstein, the sixth smallest in the world, with eight victories under their belt and an overwhelming record of 32 goals scored and only two conceded.
Facing the group's last-placed team, with zero points and just one goal (25 conceded), Portugal has everything it takes to achieve their ninth victory in nine games.
Liechtenstein-Portugal is scheduled for 20:45 (19:45 in Lisbon), at the Rheinstadion, and will be refereed by Mohammed Al-Hakim.
Portugal leads Group J with 24 points, eight more than Slovakia, second placed, with Luxembourg, third, with 11. Iceland is fourth, with 10 points, ahead of Bosnia-Herzegovina, with nine, and Liechtenstein is last, without any points.