Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Source: Prva HNL The league fixtures were announced on 8 June 2021.

[28] The draw for the play-off round was held on 2 August 2021.

[29] The draw for the group stage was held on 27 August 2021.

The Knockout round play-offs draw was held on 13 December 2021.