2020 Davis Cup World Group I
The 2020 Davis Cup World Group I was held on 5–6 March 2021 and 17–19 September 2021. The eight highest-ranked winners of the World Group I ties automatically progressed to the 2022 Davis Cup qualifying round. The four lowest-ranked winners took part in an additional knock-out tie in November 2021, the two winners progressing to the 2022 Davis Cup qualifying round and the two losers contesting the 2022 Davis Cup World Group I play-offs. The losing nations from the World Group I ties will compete in the 2022 Davis Cup World Group I play-offs.
Teams
Twenty-four teams participated in the World Group I, in a series decided on a home and away basis. The seedings are based on the nations ranking of 9 March.These twenty-four teams were:
- 12 losing teams from the qualifying round
- 12 winning teams from World Group I play-offs
#: Nations ranking as of 9 March 2020.
Seeded teams
Unseeded teams
*