2005 Davis Cup
The 2005 Davis Cup was the 94th edition of the most important tournament between nations in men's tennis. A total of 130 teams participated in the tournament. The final took place 2–4 December at the Sibamac Arena in Bratislava, Slovakia, with Croatia defeating Slovakia for their first title.
World Group
Draw
First round losers compete in play-off ties with Zonal Group I Qualifiers.World Group play-offs
Date: 23–25 September| Home team | Score | Visiting team | Location | Venue | Door | Surface |
| ' | 4–1 | Pörtschach | Werzer Arena | Outdoor | Hard | |
| 2–3 | ' | Toronto | Rexall Centre | Outdoor | Hard | |
| ' | 5–0 | Santiago | Estadio Nacional | Outdoor | Clay | |
| 2–3 | ' | Liberec | Tipsport Arena (Liberec) | Indoor | Clay | |
| 2–3 | ' | Torre del Greco | Sporting Club Oplonti | Outdoor | Clay | |
| 1–3 | ' | New Delhi | R.K. Khanna Tennis Complex | Outdoor | Grass | |
| ' | 5–0 | Geneva | Palexpo | Indoor | Clay | |
| 1–4 | ' | Leuven | Sportplaza Leuven | Indoor | Clay |
- ,,,,, and will remain in the World Group in 2006.
- are promoted to the World Group in 2006.
- ,,,,, and will remain in Zonal Group I in 2006.
- are relegated to Zonal Group I in 2006.
Americas Zone
Group I
- Paraguay relegated to Group II in 2006.
- Canada and Ecuador advance to World Group Play-off.
Group II
- Bahamas and Cuba relegated to Group III in 2006.
- Brazil promoted to Group I in 2006.
Group III
Venue: Club de Tenis La Paz, La Paz, BoliviaDate: Week of 28 February
- Guatemala and Bolivia promoted to Group II in 2006.
- Panama and St. Lucia relegated to Group IV in 2006.
Format
The eight teams were split into two groups and played in a round-robin format. The top two teams of each group advanced to the promotion pool, from which the two top teams were promoted to the Americas Zone Group II in 2006. The last two placed teams of each group from the preliminary round were relegated into the relegation pool, from which the two bottom teams were relegated to the Americas Zone Group IV in 2006.Promotion pool
The top two teams from each of Pools A and B advanced to the Promotion pool. Results and points from games against the opponent from the preliminary round were carried forward.- Guatemala and Bolivia promoted to Group II in 2006.
Relegation pool
The bottom two teams from Pools A and B were placed in the relegation group. Results and points from games against the opponent from the preliminary round were carried forward.- Panama and St. Lucia relegated to Group IV in 2006.
Final standings
- and promoted to Group II in 2006.
- and relegated to Group IV in 2006.
Asia/Oceania Zone
Group III
Venue: Victoria Park Tennis Centre, Causeway Bay, Hong KongDate: 13–17 July
- Hong Kong and Malaysia promoted to Group II in 2006.
- Qatar and Tajikistan relegated to Group IV in 2006.
Group IV
Venue: Thein Byu Tennis Club, Yangon, MyanmarDate: 27 April–01 May
- Bangladesh and Singapore promoted to Group III in 2006.
Europe/Africa Zone
Group III
Zone A
Venue: Smash Tennis Academy, Cairo, EgyptDate: 27 April – 1 May
- North Macedonia and Egypt promoted to Group II in 2006.
- Madagascar and Kenya relegated to Group IV in 2006.
Zone B
Venue: Fitzwilliam Lawn Tennis Club, Dublin, IrelandDate: 13–17 July
- Cyprus and Ireland promoted to Group II in 2006.
- Iceland and San Marino relegated to Group IV in 2006.
Group IV
Venue: Lugogo Tennis Club, Kampala, UgandaDate: 1–5 March
- Moldova, Andorra, Botswana and Rwanda promoted to Group III in 2006.
In the Europe/Africa Zone there were four different tiers, called groups, in which teams competed against each other to advance to the upper tier. The Group IV tournament was held March 1–5, in Lugogo Tennis Club, Kampala, Uganda, on outdoor clay courts.