Gaston Gaudio is a former professional tennis player from Argentina who achieved great success in the sport. He won the 2004 French Open, becoming the first Argentine to win a Grand Slam singles title. He also reached the final of the 2005 French Open, becoming the first Argentine
From Wikipedia
Gastón Norberto Gaudio is an Argentine former professional tennis player. He was ranked as high as world No. 5 in men's singles by the Association of Tennis Professionals, achieved in April 2005. Gaudio won eight ATP Tour-level singles titles, including a major at the 2004 French Open, coming from two sets down in the final to defeat compatriot Guillermo Coria.