1988 Davis Cup
The 1988 Davis Cup was the 77th edition of the Davis Cup, the most important tournament between national teams in men's tennis. This year's tournament marked the introduction of sub-divisions within each continental zone. Each zone would now feature two groups, with promotion and relegation between the two. This year also saw the Eastern Zone renamed as the Asia/Oceania Zone. 75 teams would enter the competition, 16 in the World Group, 13 in the Americas Zone, 16 in the Asia/Oceania Zone, and 30 in the Europe/Africa Zone. Cameroon, Ghana, Haiti, Iraq and Jamaica made their first appearances in the tournament.
West Germany defeated Sweden in the final, held at the Scandinavium in Gothenburg, Sweden, on 16–18 December, to win their first title and become the ninth nation to win the Davis Cup.Draw
Final
Sweden vs. West GermanyDate: 8–10 April
| Home team | Score | Visiting team | Location | Door | Surface |
| ' | 4–1 | | Asunción | Outdoor | Hard |
| 2–3 | ' | St. Gallen | Indoor | Carpet |
| ' | 5–0 | | Murcia | Outdoor | Clay |
| ' | w/o | | — | — | — |
- ,, and remain in the World Group in 1989.
- ,, and are relegated to Zonal competition in 1989.
Americas Zone
Group I
- are promoted to the World Group in 1989.
- are relegated to Group II in 1989.
Group II
- are promoted to Group I in 1989.
Asia/Oceania Zone
Group I
- are promoted to the World Group in 1989.
- are relegated to Group II in 1989.
Group II
- are promoted to Group I in 1989.
Europe/Africa Zone
Group I
- and are promoted to the World Group in 1989.
- and are relegated to Group II in 1989.
Group II Europe
- are promoted to Group I in 1989.
Group II Africa
- are promoted to Group I in 1989.
