See main article: 2020–21 Davis Cup.
The Americas Zone was the unique zone within Group 3 of the regional Davis Cup competition in 2021. The zone's competition was held in round robin format in Panama City, Panama, from 30 June to 3 July 2021.
Date: 30 June–3 July 2021
Location: Centro de Alto Rendimiento Fred Maduro, Panama City, Panama (clay)
Format: Round-robin basis. Two pools of four teams and one pool of three teams. Nations finishing top of their group, as well as the best second-placed nation, will play-off for promotion to the World Group II Play-offs in 2022.
| Pot | Nation | Rank1 | Seed |
|---|---|---|---|
| 1 | 72 | 1 | |
| 73 | 2 | ||
| 75 | 3 | ||
| 2 | 76 | 4 | |
| 79 | 5 | ||
| 86 | 6 | ||
| 3 | 87 | 7 | |
| 89 | 8 | ||
| 95 | 9 | ||
| 100 | 10 | ||
| 100 | 11 |
Standings are determined by: 1. number of wins; 2. number of matches; 3. in two-team ties, head-to-head records; 4. in three-team ties, (a) percentage of sets won (head-to-head records if two teams remain tied), then (b) percentage of games won (head-to-head records if two teams remain tied), then (c) Davis Cup rankings.
The best second placed nation will be determined the following way (in the order set out below):
For the two nations competing in the groups of four (Groups B & C), the results of the ties against the team that finishes in fourth place in those groups will not be included in the above calculations.
| Pool | Nation | RR W–L | Set W–L | Game W–L | Standings | |
|---|---|---|---|---|---|---|
| A | 4–2 | 9–5 (64%) | 73–64 (53%) | 1 | ||
| C | 3–3 | 7–7 (50%) | 64–59 (52%) | 2 | ||
| B | 3–3 | 6–7 (46%) | 58–63 (48%) | 3 |
| Placing | Team 1 | Score | Team 2 |
|---|---|---|---|
| Promotional | 0–2 | ||
| Promotional | 0–2 | ||
| 5th–6th | 0–2 | ||
| 7th–8th | 2–0 | ||
| 9th–10th | 2–0 | ||
| 11th | colspan=2 |