2006 Davis Cup
The 2006 Davis Cup was the 95th edition of the most important tournament between nations in men's tennis. Sixteen teams participated in the World Group and 125 participated in total. The first round matches were played 10–12 February and the final took place 1–3 December 2006 at the Olympic Stadium, Moscow, with Russia defeating Argentina.
World Group
Draw
First round losers play along with Zonal Group I qualifiers in World Group Play-offs.Final
World Group Play-offs
Date: 22–24 September| Home team | Score | Visiting team | Location | Venue | Door | Surface |
| ' | 5–0 | Pörtschach | Werzer Arena | Outdoor | Clay | |
| ' | 4–1 | Düsseldorf | Rochus Club | Outdoor | Clay | |
| 1–4 | ' | Leiden | Groenoordhallen | Indoor | Carpet | |
| ' | 4–1 | Bucharest | Club Sportiv Progresul Bucuresti | Outdoor | Clay | |
| 2–3 | ' | Bratislava | Sibamac Arena | Indoor | Hard | |
| ' | 4–1 | Santander | Real Sociedad de Tenis de La Magdalena | Outdoor | Clay | |
| 1–3 | ' | Belo Horizonte | Expominas | Outdoor | Clay | |
| ' | 4–1 | Geneva | Palexpo | Indoor | Hard |
- , ,,, and will remain in the World Group in 2007.
- and are promoted to the World Group in 2007.
- ,,,, and will remain in Zonal Group I in 2007.
- and are relegated to Zonal Group I in 2007.
Americas Zone
Group I
- — advanced to World Group Play-offs
- — relegated to Group II in 2007
- — advanced to World Group Play-offs
Group II
- — relegated to Group III in 2007
- — promoted to Group I in 2007
- — relegated to Group III in 2007
Group III
- — promoted to Group II in 2007
- — promoted to Group II in 2007
- — relegated to Group IV in 2007
- — relegated to Group IV in 2007
Group IV
- — promoted to Group III in 2007
- — promoted to Group III in 2007
Asia/Oceania Zone
Group I
- — advanced to World Group Play-offs
- — relegated to Group II in 2007
- — advanced to World Group Play-offs
Group II
- — promoted to Group I in 2007
- — relegated to Group III in 2007
- — relegated to Group III in 2007
- Pacific Oceania
Group III
- — promoted to Group II in 2007
- — promoted to Group II in 2007
- — relegated to Group IV in 2007
- — relegated to Group IV in 2007
Group IV
- — promoted to Group III in 2007
- — promoted to Group III in 2007
Europe/Africa Zone
Group I
- — advanced to World Group Play-offs
- — advanced to World Group Play-offs
- — advanced to World Group Play-offs
- — advanced to World Group Play-offs
- — relegated to Group II in 2007
- — relegated to Group II in 2007
Group II
- — relegated to Group III in 2007
- — promoted to Group I in 2007
- — relegated to Group III in 2007
- — promoted to Group I in 2007
- — relegated to Group III in 2007
- — relegated to Group III in 2007
Group III
- — promoted to Group II in 2007
- — promoted to Group II in 2007
- — relegated to Group IV in 2007
- — relegated to Group IV in 2007
- — promoted to Group II in 2007
- — promoted to Group II in 2007
- — relegated to Group IV in 2007
- — relegated to Group IV in 2007
Group IV
- — promoted to Group III in 2007
- — promoted to Group III in 2007
- — promoted to Group III in 2007
- — promoted to Group III in 2007