[3] The national side of Luxembourg competed in six Olympic football events between 1920 and 1952, and survived the preliminary round twice (in 1948 and 1952).

Starting in 1921, the Luxembourg national A-selection would play 239 unofficial international matches until 1981, mostly against other countries' B-teams like those of Belgium, France, Switzerland and West Germany, as well as a team representing South-Netherlands.

A Dutch newspaper commented this stunt after the second match with "David Luxembourg won with 2–1 [against Goliath Netherlands]".

[11] On 28 March 2021, Luxembourg beat the Republic of Ireland in a 2022 FIFA World Cup qualification match with a goal from Gerson Rodrigues in the 85th minute.

[21][22] Traditionally, the badge on Luxembourg's team outfit displays a shield very similar to Luxembourg's lesser coat of arms, a red lion on a white-blue striped background – hence the team's nickname Red Lions.

In modern times, the team played home games in entirely red strips, in accordance with their nickname, and wore white as away colour.

As of 18 November 2024 after the match against Northern Ireland, the Luxembourg national team playing record is as follows:[3]