Lleyton Glynn Hewitt is an Australian former world No. 1 tennis player. He is the most recent Australian man to win a major singles title, at the 2001 US Open and 2002 Wimbledon Championships. In November 2001, Hewitt became, at the time, the youngest man to reach No. 1 in the ATP singles rankings, at the age of 20 years, 8 months and 26 days. In total, he won 30 singles titles and 3 doubles titles, including the 2000 US Open men's doubles title, back-to-back Tour Finals titles in 2001 and 2002, and the Davis Cup with Australia in 1999 and 2003. Between 1997 and 2016, Hewitt contested a record twenty consecutive Australian Open men's singles tournaments, his best result being runner-up in 2005. He was also the runner-up at the 2004 US Open.
James Scott Connors is an American former world No. 1 tennis player. He held the top Association of Tennis Professionals (ATP) ranking for a then-record 160 consecutive weeks from 1974 to 1977 and a career total of 268 weeks. By virtue of his long and prolific career, Connors still holds three prominent Open Era men's singles records: 109 titles, 1,557 matches played, and 1,274 match wins. His titles include eight major singles titles and three year-end championships. In 1974, he became the second man in the Open Era to win three major titles in a calendar year, and was not permitted to participate in the fourth, the French Open. Connors finished year end number one in the ATP rankings from 1974 to 1978. In 1982, he won both Wimbledon and the US Open and was ATP Player of the Year and ITF World Champion. He retired in 1996 at the age of 43.
Rodney George Laver is an Australian former tennis player. Laver was ranked the world number 1 professional player indisputably for five years from 1965 to 1969 and by some sources also in 1964 and 1970. He was also ranked as the number 1 amateur in 1961 and 1962. Laver won 198 singles titles which is the most won by a player in history.
Roger Federer is a Swiss former professional tennis player. He was ranked world No. 1 in singles by the Association of Tennis Professionals (ATP) for 310 weeks, including a record 237 consecutive weeks, and finished as the year-end No. 1 five times. He won 103 singles titles on the ATP Tour, the second most of all time, including 20 major men's singles titles and six year-end championships.
Ilie Theodoriu Năstase is a Romanian former world No. 1 tennis player. He held the top singles spot from 23 August 1973 to 2 June 1974, and was the first man to hold the position on the computerized ATP rankings. Năstase is one of the 10 players in history who have won over 100 total ATP titles, with 64 in singles and 45 in doubles. Năstase won seven major titles: two in singles, three in men's doubles and two in mixed doubles. He also won four Masters Grand Prix year-end championship titles. He was the first professional sports figure to sign an endorsement contract with Nike, doing so in 1972. Năstase wrote several novels in French in the 1980s, and was inducted into the International Tennis Hall of Fame in 1991.
John David Newcombe AO OBE is an Australian former professional tennis player. He is one of the few men to have attained a world No. 1 ranking in both singles and doubles. At the majors, he won seven singles titles, a former record 17 men's doubles titles, and two mixed doubles titles. He also contributed to five Davis Cup titles for Australia during an age when the Davis Cup was deemed as significant as the majors. Tennis magazine rated him the 10th best male player of the period 1965–2005.
Stanley Roger Smith is an American former professional tennis player. A world No. 1 player and two-time major singles champion, Smith also paired with Bob Lutz to create one of the most successful doubles teams of all-time. In 1970, Smith won the inaugural year-end championships title. In 1972, he was the year-end world No. 1 singles player. In 1973, he won his second and last year end championship title at the Dallas WCT Finals. In addition, he won four Grand Prix Championship Series titles. In his early years he improved his tennis game through lessons from Pancho Segura, the Pasadena Tennis Patrons, and the sponsorship of the Southern California Tennis Association headed by Perry T. Jones. Smith is a past President of the International Tennis Hall of Fame and an ITHF Life Trustee. Outside tennis circles, Smith is best known as the namesake of a popular brand of tennis shoes.
Anthony Dalton Roche AO MBE is an Australian former professional tennis player.
This is a list of all the awards given by the Association of Tennis Professionals (ATP) to players and others of particular distinction during a given season. Rafael Nadal is the only man to win every ATP award in the player category.
Mark Knowles is a Bahamian former professional tennis player and coach. He is a former world No. 1 in doubles. He won three of the four Grand Slam tournaments in men's doubles, partnering with Daniel Nestor, as well as Wimbledon in mixed doubles. At various times between 2002 and 2005 he was ranked World No. 1 in doubles. He is a five-time Olympian.
Darren Cahill is an Australian tennis coach and former professional tennis player. In addition, Cahill is a tennis analyst for the Grand Slam events on the US sports network ESPN and a coach with the Adidas Player Development Program and at ProTennisCoach.com.
Tennis Australia Limited is the governing body for tennis in Australia. It is owned by Australian states and territories. The association organizes national and international tennis tournaments including the Australian Open, Australian Open Series, Davis Cup, Billie Jean King Cup, ATP Cup, and Australian Pro Tour. In addition, the association takes the responsibility to facilitate tennis at all levels from grassroots to elite development. Tennis Australia's state-based member associates carry out the promotion, management, and development of tennis within Australia. Other than that, it administers amateur tournaments and youth development programs.
Brian Edward Gottfried is a retired American tennis player who won 25 singles titles and 54 doubles titles during his professional career. He was the runner-up in singles at the 1977 French Open, won the 1975 and 1977 French Open Doubles as well as the 1976 Wimbledon Doubles. He achieved a career-high singles ranking on the ATP tour on June 19, 1977, when he became world No. 3, and a career-high doubles ranking on December 12, 1976, when he became world No. 2.
Gilles Simon is a French former tennis player. He turned professional in 2002 and won fourteen singles titles on the ATP Tour, and attained a career-high ATP singles ranking of No. 6, on 5 January 2009.
Brad Drewett was an Australian tennis player and ATP official. He was the 1975 and 1977 Australian Open junior champion and the youngest player at age 17 to win the title since Ken Rosewall and John Newcombe. He was also the third-youngest Australian Open quarterfinalist in his first Grand Slam appearance, at 17 years 5 months in 1975, behind Boris Becker, 17 years 4 days in 1984 and Goran Ivanišević, 17 years 4 months in 1989.
Raymond Owen "Ray" Ruffels is an Australian former professional tennis player and coach.
The PIF ATP Rankings are the merit-based method used by the Association of Tennis Professionals (ATP) for determining the qualification for entry as well as the seeding of players in all singles and doubles tournaments. The first rankings for singles were published on 23 August 1973 while the doubles players were ranked for the first time on 1 March 1976. Ranking points are awarded according to the stage of tournament reached, and the prestige of the tournament, with the four Grand Slam tournaments awarding the most points. The rankings are updated every Monday, and points are dropped 52 weeks after being awarded. Jannik Sinner is the current men's singles world No. 1.
Dominic Thiem is an Austrian former professional tennis player. He was ranked as high as world No. 3 in singles by the Association of Tennis Professionals, which he first achieved in March 2020. Thiem won 17 ATP Tour singles titles, including a Grand Slam title at the 2020 US Open where he came back from two sets down to defeat Alexander Zverev in the final. With the win, Thiem became the first male player born in the 1990s to claim a Major singles title, as well as the first Austrian to win the US Open singles title. He had previously reached three other Major finals, finishing runner-up at the 2018 and 2019 French Open to Rafael Nadal, and at the 2020 Australian Open to Novak Djokovic. Thiem was also runner-up at the 2019 and 2020 ATP Finals, where he lost to Stefanos Tsitsipas and Daniil Medvedev, respectively.
Tennys Loren Sandgren II is an American former professional tennis player. He has achieved a career-high ATP singles ranking of No. 41 on January 14, 2019. He played two years of college tennis at the University of Tennessee before launching his professional career.
Nicholas Hilmy Kyrgios is an Australian inactive professional tennis player. Kyrgios has been ranked as high as world No. 13 in singles by the Association of Tennis Professionals (ATP), achieved on 24 October 2016. He has won seven ATP Tour singles titles, including the 2019 and 2022 Washington Open, and reached eleven finals, most notably a major final at the 2022 Wimbledon Championships, and a Masters 1000 final at the 2017 Cincinnati Masters. In doubles Kyrgios has a career-high ranking of world No. 11, achieved on 7 November 2022, winning a major doubles title at the 2022 Australian Open partnering Thanasi Kokkinakis. He has reached three major singles quarterfinals.
New Zealand 
