The Americas Zone was one of the three zones of the regional Davis Cup competition in 2005.
In the Americas Zone there were four different tiers, called groups, in which teams competed against each other to advance to the upper tier. The five teams in Group IV played in a single Round-robin tournament. The top two teams were promoted to the Americas Zone Group III in 2006. All other teams remained in Group IV. [1]
| Team | Pld | W | L | MF | MA |
|---|---|---|---|---|---|
 Trinidad and Tobago | 4 | 3 | 1 | 10 | 2 |
 Costa Rica | 4 | 3 | 1 | 8 | 4 |
 Barbados | 4 | 3 | 1 | 8 | 4 |
 Bermuda | 4 | 1 | 3 | 3 | 9 |
 U.S. Virgin Islands | 4 | 0 | 4 | 1 | 11 |
Trinidad & Tobago and Costa Rica promoted to Group III for 2006.
 Costa Rica 2 | Costa Rica Tennis Club, San José, Costa Rica [2] 13 July 2005 |  Bermuda 1 | |||||||||||||||||||||||||||||
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 Barbados 0 | Costa Rica Tennis Club, San José, Costa Rica [3] 13 July 2005 |  Trinidad and Tobago 3 | |||||||||||||||||||||||||||||
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 U.S. Virgin Islands 1 | Costa Rica Tennis Club, San José, Costa Rica [4] 14 July 2005 | Bermuda 2 | |||||||||||||||||||||||||||||
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Costa Rica 1 | Costa Rica Tennis Club, San José, Costa Rica [5] 14 July 2005 | Barbados 2 | |||||||||||||||||||||||||||||
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U.S. Virgin Islands 0 | Costa Rica Tennis Club, San José, Costa Rica [6] 15 July 2005 | Trinidad and Tobago 3 | |||||||||||||||||||||||||||||
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Barbados 3 | Costa Rica Tennis Club, San José, Costa Rica [7] 15 July 2005 | Bermuda 0 | |||||||||||||||||||||||||||||
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U.S. Virgin Islands 0 | Costa Rica Tennis Club, San José, Costa Rica [8] 16 July 2005 | Barbados 3 | |||||||||||||||||||||||||||||
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Costa Rica 2 | Costa Rica Tennis Club, San José, Costa Rica [9] 16 July 2005 | Trinidad and Tobago 1 | |||||||||||||||||||||||||||||
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U.S. Virgin Islands 0 | Costa Rica Tennis Club, San José, Costa Rica [10] 17 July 2005 | Costa Rica 3 | |||||||||||||||||||||||||||||
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Trinidad and Tobago 3 | Costa Rica Tennis Club, San José, Costa Rica [11] 17 July 2005 | Bermuda 0 | |||||||||||||||||||||||||||||
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