Marion Anthony Trabert (August 16, 1930 – February 3, 2021) was an American amateur world No. 1 tennis champion and long-time tennis author, TV commentator, instructor, and motivational speaker. Trabert was ranked world No. 1 amateur by many sources in 1953, by Ned Potter and The New York Times in 1954 and by Lance Tingay and Ned Potter in 1955. He was the winner of ten Grand Slam titles – five in singles and five in doubles. He won two French singles championships, two U.S. National Men's Singles Championships, and one Wimbledon gentlemen's singles championship. Until Michael Chang won the French Open in 1989, Trabert was the last American to hoist the championship trophy. He turned professional in the fall of 1955. He won the French Professional Championships at Roland Garros in 1956 and 1959. Tennis career Amateur Trabert was a stand-out athlete in tennis and basketball at the University of Cincinnati, and was a member of Sigma Chi Fraternity. In 1951, he won the NCAA Championship Singles title. He played doubles with Bob Mault and was coached by George Menefee, who later became the head trainer for the Los Angeles Rams. Trabert was also a starter on the Cincinnati Bearcats basketball team at the University of Cincinnati. Previously, at Walnut Hills High School in Cincinnati, he had been Ohio scholastic champion three times and played guard on the 1948 basketball team that won the District Championship. A native of Cincinnati, Trabert grew up two houses down from a public park. It had clay courts that helped hone his groundstrokes. By age 11, Trabert was winning junior tournaments. Trabert honed his tennis skills on the courts of the Cincinnati Tennis Club with the help of another member of that club, fellow International Tennis Hall of Famer Billy Talbert. Talbert became Trabert's mentor. In 1951, Trabert posted his first win over Talbert in the final of Cincinnati's international tennis tournament (now known as the Cincinnati Masters). In the midst of his amateur career, Trabert's game was interrupted by a two-year stint in the Navy, serving on the aircraft carrier USS Coral Sea during the Korean War, but this did not stop him. In 1953, Trabert won the men's singles in the Ojai Tennis Tournament. After winning his first Grand Slam singles title at the U. S. Championships in 1953 (over Vic Seixas in the final), Trabert was ranked the world No.