The 2004 Allianz Suisse Open Gstaad was a tennis tournament played on outdoor clay courts at the Roy Emerson Arena in Gstaad in Switzerland and was part of the International Series of the 2004 ATP Tour. The tournament ran from July 5 through July 11, 2004.
See main article: 2004 Allianz Suisse Open Gstaad – Singles. Roger Federer defeated Igor Andreev 6–2, 6–3, 5–7, 6–3
See main article: 2004 Allianz Suisse Open Gstaad – Doubles. Leander Paes / David Rikl defeated Marc Rosset / Stanislas Wawrinka 6–4, 6–2