In February 2004, González repeated his Viña del Mar title by defeating Gustavo Kuerten in the final. He also Retain with Chile the World Team Cup. In August, at the Olympic Games in Athens, he and doubles partner Massú gave their country its first ever Olympic gold medal, when they defeated Nicolas Kiefer and Rainer Schüttler of Germany to win the men's doubles tournament. He also won a bronze medal in the men's singles. Gonzalez had to play the bronze medal match against Taylor Dent and the doubles final on the same day. Also, he saved match points in both games, most notably four match points in the doubles final in the fourth set tiebreak.