[8] Date: 6–7 March 2020[9] Twenty-six eligible teams were: Two wild cards for the Finals were selected from these 26 nations.

T = Ties, M = Matches, S = Sets Date: 5–6 March 2021 or 17–19 September 2021 Twenty-four teams participated in the World Group I, in series decided on a home and away basis.

[7] These twenty-four teams were: The eight highest-ranked winners (as at 20 September 2021) of the World Group I ties will automatically progress to the 2022 qualifiers.

Date: 6–9 March 2020 Twenty-four teams played for the twelve spots in the World Group I, in series decided on a home and away basis.

Date: 5–6 March 2021 or 17–19 September 2021 Twenty-four teams participated in the World Group II, in series decided on a home and away basis.

The four lowest-ranked teams (Denmark, Morocco, Tunisia and Zimbabwe) took part in an additional knock-out tie in November, with the two winners progressing to the 2022 World Group I play-offs and two losers contesting the 2022 World Group II play-offs.

Date: 6–7 March 2020 Twenty-four teams played for the twelve spots in the World Group II, in series decided on a home and away basis.

Inactive Teams Promotions Dates: 16–19 June 2021 [77] Location: Herodotou Tennis Academy, Larnaca, Cyprus (hard) The first three nations qualify for the 2022 Davis Cup World Group II play-offs The last two nations (excluding  Liechtenstein) are relegated to 2022 Davis Cup Europe Zone Group IV Teams

Promotions/Relegations Dates: 22–26 June 2021 [78] Location: Tennis Club Jug, Skopje, North Macedonia (clay) The first four nations qualify for the 2022 Davis Cup Europe Zone Group III Teams

Promotions Dates: 11–14 August 2021 [77] Location: Smash Academy, Cairo, Egypt (clay) The first two nations qualify for the 2022 Davis Cup World Group II play-offs Teams

Promotions/Relegations Dates: 21–26 June 2021 [78] Location: Complexe Sportif La Concorde, Brazzaville, Congo (hard) The first two nations qualify for the 2022 Davis Cup Africa Zone Group III Teams