After turning pro at the age of 16, tennis prodigy Andre Agassi rose to international fame, earning 60 men’s singles titles, including eight Grand Slam singles championships, over a 20-year career. A former World No. 1 player, Agassi is the only male player ever to win all four Grand Slam titles and an Olympic gold medal.
https://agassifoundation.org/wp-content/uploads/2024/06/Andre-Agassi-Bio-04-27-12.pdf