Kenneth Robert Rosewall is an Australian former world top-ranking amateur and professional tennis player. He won a record 23 tennis Majors in singles, including 8 Grand Slam singles titles and, before the Open Era, a record 15 Pro Slam titles; overall, he reached a record 35 Major finals. He won the Pro Grand Slam in 1963. Rosewall won a record 24 major men's doubles titles. He won 9 grand slam titles in men's doubles with a career men's doubles grand slam and also won 15 Pro Slam men's doubles titles.