John David Newcombe, AO, OBE (born 23 May 1944 in Sydney) is a former World No. 1 tennis player.

He won seven Grand Slam singles titles, A natural athlete, Newcombe played several sports as a boy until devoting himself to tennis. He was the Australian junior champion in 1961, 1962, and 1963 and was a member of Australia's Davis Cup winning team in 1964. He won his first Grand Slam title in 1965 by taking the Australian Championships doubles title with fellow Australian Tony Roche. That same year, the duo won the Wimbledon doubles title. They teamed to win the Australian doubles championship three more times, Wimbledon another four times and the US Championships in 1967, the French Championships in 1967, and the French Open in 1969. They won 12 Grand Slam titles, more than any other men's team in tennis history.

Newcombe's powerful serve and volley was the backbone of his attacking game. He frequently came up with a second-serve ace. He was the top ranked amateur in the world in 1967 according to Lance Tingay, although Rex Bellamy ranked him second behind Roy Emerson. As a professional, Newcombe was the joint world number one player in 1970 and 1971. In singles play, he was a two-time winner of the Australian Open, a three-time winner of Wimbledon, and a two-time winner of the US Open.

James Scott "Jimmy" Connors (born September 2, 1952, in East St. Louis, Illinois) is a former world no. 1 tennis player from the United States. He is regarded as one of the greatest tennis players of all time.

Connors won eight Grand Slam singles titles and two Grand Slam doubles titles with Ilie Năstase. He was also a runner-up seven times in Grand Slam singles, a doubles runner-up with Năstase at the 1973 French Open, and a mixed doubles runner-up with Chris Evert at the 1974 US Open. He held the top ranking for a then-record 160 consecutive weeks from July 29, 1974 to August 22, 1977 and an additional eight times during his career for a total of 268 weeks

In 1974, Connors became the second male in the open era to win three or more Grand Slam singles titles in a calendar year (Rod Laver being the first in 1969 and having been joined since by Mats Wilander, Roger Federer, Rafael Nadal, and Novak Djokovic). Connors is also the only man to win U.S. Open singles championships on grass, clay, and hard courts.

Kenneth Robert ("Ken") 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 singles titles and before the Open Era 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. He had a renowned backhand and enjoyed a long career at the highest levels from the early 1950s to the early 1970s. He was one of the two best male players for about nine years and was the World No. 1 player for a number of years in the early 1960s. He was ranked among the top 20 players, amateur or professional, every year from 1952 through 1977. Rosewall is the only player to have simultaneously held Pro Grand Slam titles on three different surfaces (1962-1963). He was the first male player during the open era to win a Grand Slam without dropping a set (1971 Australian Open).