Atlético Madrid were the defending champions; their efforts to retain the trophy were ended by Real Sociedad in the semi-finals.
[6] All ties are played in a single-match decider at the home ground of the lower division opponent, except for the semi-finals which will be a two-legged match.
[7] The draw was completed by the RFEF on 4 September 2023, at the Ciudad del Fútbol de Las Rozas in Madrid.
[8][9] The draw was completed by the RFEF on 29 September 2023, at the Ciudad del Fútbol de Las Rozas in Madrid.
[10][11] The draw was completed by the RFEF on 18 October 2023, at the Ciudad del Fútbol de Las Rozas in Madrid.