The World Group play-offs were the main play-offs of 2005 Davis Cup. Winners advanced to the World Group, and loser were relegated in the Zonal Regions I.
Teams
Bold indicates team has qualified for the 2006 Davis Cup World Group.
From World Group
From Americas Group I
From Asia/Oceania Group I
From Europe/Africa Group I
Results
Seeded teams
Unseeded teams
, , , , , 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.