See main article: 2005 Davis Cup. The Americas Zone was one of three Zones of Davis Cup competition in 2005.
Venue: Club de Tenis La Paz, La Paz, Bolivia (clay)
Date: Week of 28 February
(scores in italics carried over from Groups)
Played July 13–17 in San Jose, Costa Rica, on outdoor hard courts.
| width=175 | Team | width=20 | Pld | width=20 | W | width=20 | L | width=20 | MF | width=20 | MA | width=20 | Pts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 3 | 1 | 10 | 2 | 3 | ||||||||
| 4 | 3 | 1 | 8 | 4 | 3 | ||||||||
| 4 | 3 | 1 | 8 | 4 | 3 | ||||||||
| 4 | 1 | 3 | 3 | 8 | 1 | ||||||||
| 4 | 0 | 4 | 1 | 11 | 0 |
| width=80 | Date | width=160 | Winning Team | width=30 | Score | width=160 | |
|---|---|---|---|---|---|---|---|
| July 13 | 3–0 | ||||||
| July 13 | 2–1 | ||||||
| July 14 | 2–1 | ||||||
| July 14 | 2–1 | ||||||
| July 15 | 3–0 | ||||||
| July 15 | 3–0 | ||||||
| July 16 | 2–1 | ||||||
| July 16 | 3–0 | ||||||
| July 17 | 3–0 | ||||||
| July 17 | 3–0 |
Trinidad & Tobago and Costa Rica promoted to Group III for 2006.
| 2005 Davis Cup | ||
| ← 2004 Americas Zone | 2005 Asia/Oceania Zone | 2006 Americas Zone → |
| 2005 Europe/Africa Zone | ||