The 2005 ARAG World Team Cup was a tennis tournament play on outdoor clay courts. It was the 27th edition of the World Team Cup, and was part of the 2005 ATP Tour. It took place at the Rochusclub in Düsseldorf, Germany, from 15 May through 21 May 2005.
Chile were the two time defending champions, but they failed to advance beyond the group stage. Germany won the title, defeating Argentina in the final, by two rubbers to one.
Squads
Blue group
Tommy Haas (# 22) Nicolas Kiefer (# 29) Florian Mayer (# 54) Alexander Waske (# 51 Doubles)
David Ferrer (# 20) Álex López Morón (# 94 Doubles) Tommy Robredo (# 16) Santiago Ventura (# 71)
Jonas Björkman (# 1 Doubles) Joachim Johansson (# 12) Thomas Johansson (# 20)
Bob Bryan (# 5 Doubles) Mike Bryan (# 5 Doubles) Jeff Morrison (# 111) Vince Spadea (# 43)
Red group
Guillermo Cañas (# 10) Juan Ignacio Chela (# 33) Guillermo Coria (# 9) Gastón Gaudio (# 6)
Adrián García (# 183) Hermes Gamonal (# 258 Doubles) Fernando González (# 26) Nicolás Massú (# 23)
Tomáš Berdych (# 46) Jiří Novák (# 27)
Arnaud Clément (# 61 Doubles) Sébastien Grosjean (# 24) Michaël Llodra (# 9 Doubles)
Rankings are as of May 16, 2005.