[1] The winner of the cup earned a place in the 2023–24 UEFA Europa Conference League.
[2] Racing FC were the defending champions after winning the Luxembourg Cup final in the previous season over F91 Dudelange by the score of 3–2.
[4] Thirty-two second round matches were played on 30 September, 1 and 2 October 2022.
[6] Eight fourth round matches were played on 12 April 2023.
Assistant referees: Joaquim Da Silva Yannick Mentz Fourth official: Cédric Biever Match rules There was partial live coverage of the cup for the third round, with full live coverage from the fourth round onwards, on RTL.