Kenneth Robert Rosewall AM MBE (born 2 November 1934) is a former world top-ranking amateur and professional tennis player from Australia. He won 23 Majors including eight Grand Slam

Grand Slam (tennis)

The four Major tennis tournaments, also called the Slams, are the most important tennis events of the year in terms of world tour ranking points, tradition, prize-money awarded, strength and size of player field, and public attention. They are the Australian Open, the French Open, Wimbledon, and...

 singles titles and before the Open Era

Open era

Open era or Open Era may refer to:* Open Era , the period since 1968 where professionals can compete in Grand Slams* Glasnost era, the increased openness in the Soviet Union from the mid-1980s...

 a record fifteen Pro Slam titles (and completed the Pro Grand Slam in 1963). Rosewall won 9 slams in doubles with a career double grand slam. He is considered to be one of the top male tennis players of all time.