1986 Davis Cup World Group
The World Group was the highest level of Davis Cup competition in 1986.
Australia won the title, defeating the two-time defending champions Sweden in the final, 3–2. The final was held at the Kooyong Stadium in Melbourne, Australia, from 26 to 28 December. It was the Australian team's first Davis Cup title since 1983 and their 26th Davis Cup title overall.Participating teams
Draw
Ecuador vs. United States
Italy vs. Paraguay
Denmark vs. Sweden
Quarterfinals
Mexico vs. United States
Great Britain vs. Australia
Yugoslavia vs. Czechoslovakia
Sweden vs. Italy
Semifinals
Australia vs. United States
Czechoslovakia vs. Sweden
Final
Australia vs. Sweden
The first-round losers played in the Relegation Play-offs. The winners of the play-offs advanced to the 1987 Davis Cup World Group, and the losers were relegated to their respective Zonal Regions.Results summary
Date: 3–5 October
| Home team | Score | Visiting team | Location | Door | Surface | |
| ' | 5–0 | | Essen | Indoor | Carpet | |
| ' | 5–0 | | Barcelona | Outdoor | Clay | |
| ' | 4–1 | | New Delhi | Outdoor | Grass | |
| ' | 3–2 | | Asunción | Outdoor | Clay | |
- ,, and remain in the World Group in 1987.
- ,, and are relegated to Zonal competition in 1987.
West Germany vs. Ecuador
Spain vs. New Zealand
India vs. Soviet Union
Paraguay vs. Denmark
