2004 Canada Masters – SinglesRoger Federer defeated the defending champion Andy Roddick in the final, 7–5, 6–3 to win the men's singles tennis title at the 2004 Canadian Open.Seeds Roger Federer Andy Roddick ' Guillermo Coria ' Carlos Moyá ' Tim Henman ' David Nalbandian ' Juan Carlos Ferrero ' Rainer Schüttler ' Lleyton Hewitt ' Andre Agassi ' Gastón Gaudio ' Sébastien Grosjean ' Nicolás Massú ' Paradorn Srichaphan ' Marat Safin ' Juan Ignacio Chela ''''