[1] RFS won the cup final 1–0 over Liepāja and earned a place in the first qualifying round of the 2022–23 UEFA Europa Conference League.
[3] Two preliminary round matches were played on 27 June 2021.
[1] Fourteen first round matches were played on 3–4 July 2021.
[4] Sixteen second round matches were played on 17–18 July 2021.
[6] Seven fourth round matches were played on 7–9 August 2021.