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, with two at the 2001 US Open and 2002 Wimbledon Championships. In November 2001, Hewitt became, at the time, the youngest man to be singles world No. 1 in the ATP rankings, at the age of 20 years, 8 months and 26 days, though this record was surpassed in 2022 by Carlos Alcaraz, who ascended to the top at 19 years, 4 months and 7 days. He won 30 singles titles and 3 doubles titles, with highlights being the 2001 US Open and 2002 Wimbledon singles titles, 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 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.
Thomas Muster is an Austrian former world No. 1 tennis player. One of the world's leading clay court players in the 1990s, he won the 1995 French Open and at his peak was called "The King of Clay". In addition, he won eight Masters 1000 Series titles. Muster is one of the nine players to win Super 9/ATP Masters Series/ATP World Tour Masters 1000 titles on clay, hardcourt and carpet.
Ilie Theodoriu Năstase is a former World No. 1 Romanian tennis player. He was ranked world No. 1 in singles from 23 August 1973 to 2 June 1974, and was the first man to hold the top 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.
Stefan Bengt Edberg is a Swedish former professional tennis player. A major proponent of the serve-and-volley style of tennis, he won six Grand Slam singles titles and three Grand Slam men's doubles titles between 1985 and 1996. He is one of only two men in the Open Era to have been ranked world No. 1 in both singles and doubles. He also won the Masters Grand Prix and was a part of the Swedish Davis Cup-winning team four times. In addition, he won four Masters Series titles, four Championship Series titles and the unofficial 1984 Olympic tournament, was ranked in the singles top 10 for ten successive years, and ranked nine years in the top 5. After retirement, Edberg began coaching Roger Federer in January 2014, with this partnership ending in December 2015.
Kenneth Robert Rosewall is an Australian former world top-ranking amateur and professional tennis player. He won a record 23 Majors in singles, including eight Grand Slam singles titles and, before the Open Era, a record 15 Pro Slam titles. Rosewall also won a record 24 major men's doubles titles, with nine Grand Slam titles and 15 Pro Slam men's doubles titles. Rosewall had a renowned backhand and enjoyed a long career at the highest levels from the early 1950s to the early 1970s. Rosewall was ranked as the world No. 1 tennis player by multiple sources from 1961 to 1964, multiple sources in 1970 and Rino Tommasi in 1971 and 1972. Rosewall was first ranked in the top 20 in 1952 and last ranked in the top 20 in 1977. Rosewall is the only player to have simultaneously held Pro Grand Slam titles on three different surfaces (1962–1963). At the 1971 Australian Open, he became the first man during the Open Era to win a Grand Slam tournament without dropping a set. Rosewall won world professional championship tours in 1963, 1964, and the WCT titles in 1971 and 1972. A natural left-hander, Rosewall was taught by his father to play right-handed. He developed a powerful, effective backhand but never had anything more than an accurate but relatively soft serve. He was 1.70 m tall, weighed 67 kg (148 lb) and sarcastically was nicknamed "Muscles" by his fellow-players because of his lack of them. He was, however, fast, agile, and tireless, with a deadly volley. Now a father of two and grandfather of five, Rosewall lives in northern Sydney.
Marcelo Andrés Ríos Mayorga is a Chilean former world No. 1 tennis player. Nicknamed "El Chino" and "El zurdo de Vitacura", he became the first Latin American player to reach the top position on the Association of Tennis Professionals (ATP) singles rankings in March 1998, holding the spot for six weeks. He also held the top ranking in juniors. At 1.75 m, Ríos is the shortest man to hold the number 1 ranking in men's tennis.
Carlos Moyá Llompart is a Spanish former world No. 1 tennis player. He is the 1998 French Open singles champion and the runner-up at the 1997 Australian Open. In 2004, he was part of his country's winning Davis Cup team. He has been Rafael Nadal's primary coach since 2016.
Mary Caroline Pierce is a retired tennis professional who represented France internationally in team competitions and the Olympics. She was born in Canada to an American father and a French mother, and holds citizenship of all three countries.
Francis "Frank" Arthur Sedgman is an Australian former world No. 1 tennis player. Over the course of a three-decade career, Sedgman won five Grand Slam singles tournaments as an amateur as well as 22 Grand Slam doubles tournaments. He is one of only five tennis players all-time to win multiple career Grand Slams in two disciplines, alongside Margaret Court, Roy Emerson, Martina Navratilova and Serena Williams. In 1951, he and Ken McGregor won the Grand Slam in men's doubles. Sedgman turned professional in 1953, and won the Wembley World Professional Indoor singles title in 1953 and 1958. He also won the Sydney Masters tournament in 1958, and the Melbourne Professional singles title in 1959. He won the Grand Prix de Europe Professional Tour in 1959.
Marcos Baghdatis is a Cypriot former professional tennis player and coach. He was the runner-up at the 2006 Australian Open and a semifinalist at the 2006 Wimbledon Championships, and reached a career-high ATP singles ranking of world No. 8 in August 2006. In the latter part of his career, Baghdatis endured a series of injuries that impacted his play.
Rafael Nadal Parera is a Spanish professional tennis player. He is currently ranked world No. 14 in singles by the Association of Tennis Professionals (ATP). He has been ranked world No. 1 for 209 weeks, and has finished as the year-end No. 1 five times with a record 13 times in the top 2 of the year end rankings. He also holds the record for most consecutive weeks in the Top 10 of the ATP Rankings, having never left the Top 10 from April 2005 to March 2023, a total of 912 weeks. Nadal has won a joint-record 22 Grand Slam men's singles titles, including a record 14 French Open titles. He has won 92 ATP singles titles, including 36 Masters titles, with 63 of these on clay courts. Nadal is one of only two men to complete the Career Golden Slam in singles. His 81 consecutive wins on clay is the longest single-surface win streak in the Open Era.
Richard Gabriel Cyr Gasquet is a French professional tennis player. His career-high ATP singles ranking is world No. 7, attained on 9 July 2007. He has won 16 singles titles on the ATP Tour tied for eighth most most among active players. He is also fourth among active players with over 595 career match wins. His best performances in Grand Slam singles tournaments have been three semifinal appearances, two at the Wimbledon Championships and once at the US Open. His best performance in ATP World Tour Masters 1000 singles tournaments was being the runner-up in Hamburg in 2005 and Toronto in 2006 and 2012. He won the mixed doubles title at the 2004 French Open, partnering with Tatiana Golovin. He also won the men's doubles Olympic bronze medal in 2012 with his doubles partner Julien Benneteau.
Rodney Wilfred Heath was an Australian tennis player.
Nicolás Alexander Lapentti Gómez is a former professional tennis player from Ecuador. His brothers, Giovanni and Leonardo, uncle Andrés, and cousins Roberto and Emilio also are or were on the pro circuit. His father, also named Nicolás Lapentti, was a star basketball player at the College of St. Thomas in Minnesota from 1963 to 1967, and played on the Ecuador Olympic team.
Andre Agassi defeated Rainer Schüttler in the final, 6–2, 6–2, 6–1 to win the men's singles tennis title at the 2003 Australian Open. It was his fourth Australian Open title, and his eighth and last major title overall. With the win, Agassi claimed his 21st consecutive match win at the Australian Open, as he won the title in 2000 and 2001.
Todd Reid was an Australian professional tennis player. He excelled as a junior and peaked in the Men's Tour in September 2004, reaching a career-high singles ranking of world No. 105.
David Goffin is a Belgian professional tennis player. His career-high singles ranking is world No. 7. He is currently the Belgian No. 1, and the first Belgian man to be ranked in the top 10. Goffin has won six ATP titles and reached nine other finals, most notably at the 2017 ATP Finals.
Athanasios "Thanasi" Kokkinakis is an Australian professional tennis player. He has been ranked as high as world No. 69 in singles by the ATP, which he first achieved on 8 June 2015. He has won one ATP Tour title in singles and produced his best major singles performance at the 2015 French Open by reaching the third round. Kokkinakis also has a career-high doubles ranking of world No. 15 which he attained on 21 November 2022 after winning the 2022 Australian Open and reaching the semifinals of 2022 Miami Open with countryman Nick Kyrgios.
Christopher O'Connell is an Australian professional tennis player. He grew up on the Northern Beaches of Sydney. O'Connell reached a career high ATP singles ranking of World No. 78 on 28 November 2022 and a doubles ranking of No. 460 on 25 April 2022. He made his ATP Tour debut in January 2017 in his hometown at the Sydney International.
Tallon Griekspoor is a Dutch professional tennis player. He has a career-high ATP singles ranking of world No. 34, achieved on 17 April 2023. He also has a career high ATP doubles ranking of World No. 217 achieved on 31 October 2022. Griekspoor is the current Dutch No. 2 men's singles player. He has won a record eight Challenger titles in one season (2021), and became also the first player in history to win five consecutive such titles.
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