World-famous tennis player Andre Aghassi ended his career. Thirty-six year old Aghassi is one of the five tennis players in the world, whose name goes down in history as the winner of all four world championships. Aghassi lost to German tennis player Benjamin Becker during the third stage of the U.S. championship. Throughout his career, Aghassi has been at the top of the ATP list and has won in the ATP championship six times.