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.
John Patrick McEnroe Jr. is an American former professional tennis player known for his shot-making and volleying skills, his rivalries with Björn Borg and Jimmy Connors, and his confrontational on-court behavior, which frequently landed him in trouble with umpires and tennis authorities.
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.
Nicolas Kiefer is a German former professional tennis player. He reached the semifinals of the 2006 Australian Open and won a silver medal in men's doubles with partner Rainer Schüttler at the 2004 Athens Olympics. Kiefer's career-high singles ranking was world No. 4, achieved in January 2000.
Ivo Karlović is a Croatian former professional tennis player. His height of 211 cm makes him the joint tallest ranked tennis player in history, along with Reilly Opelka. He won eight ATP Tour singles titles between 2007 and 2016. He is a serve-and-volleyer and officially held the record for the fastest serve recorded in professional tennis, measured at 251 km/h (156 mph), before being surpassed unofficially by Samuel Groth in 2012, and officially by John Isner in 2016. In his prime, he was considered one of the best servers on tour, and held the record for career aces from 1991 onwards with 13,728 before the record was broken by Isner on July 1 2022. This makes him one of only five players since 1991 to surpass 10,000 aces. His height enabled him to serve with high speed and unique trajectory.
Michael Detlef Stich is a German former professional tennis player. He won the men's singles title at Wimbledon in 1991, the men's doubles titles at both Wimbledon and the Olympic Games in 1992, and was a singles runner-up at the 1994 US Open and the 1996 French Open. Stich won 18 singles titles and ten doubles titles. His career-high singles ranking was world No. 2, achieved in 1993.
Ramanathan Krishnan is a retired tennis player from India who was among the world's leading players in the 1950s and 1960s. He was twice a semifinalist at Wimbledon in 1960 and 1961, reaching as high as World No. 3 in Potter's amateur rankings. He led India to the Challenge Round of the 1966 Davis Cup against Australia and was the non playing captain when Vijay Amritraj and Anand Amritraj led India into the 1974 Davis Cup finals against South Africa. He was active from 1953 to 1975 and won 69 singles titles.
Mikhail Mikhailovich Youzhny, nicknamed "Misha" and "Colonel" by his fans,is a Russian former professional tennis player who was ranked inside the top 10 and was the Russian No. 1. He achieved a top-10 ranking by the Association of Tennis Professionals (ATP) for the first time on 13 August 2007, and reached a career peak of world No. 8 in January 2008, and again in October 2010.Youzhny reached the quarterfinals of all majors, reaching the semifinals at the US Open in 2006 and 2010. The closest he came to a major final was at the 2006 US Open semifinals when he took the first set from world No. 9 Andy Roddick, after upsetting world No. 2 Rafael Nadal in the quarterfinals. At the other semifinal he lost in straight sets to the eventual champion, Nadal. Youzhny reached the finals of 21 ATP Tour-level titles, winning ten of them. He reached ATP Tour finals on all surfaces, but never won a singles title on grass. In 2010—his best season—Youzhny reached five ATP finals, winning two and ending the year as a top-10 player. Youzhny was a member of the winning Russian national team at the Davis Cup in both 2002 and 2006, playing a crucial role in 2002 when he won the deciding rubber after coming back from two-sets-to-love down.
Jarkko Kalervo Nieminen is a Finnish former professional tennis player. His highest ranking of world No. 13, achieved in July 2006, is a Finnish record. He has won two ATP singles titles and five doubles titles in his career. His best performances in Grand Slam tournaments have been reaching the quarterfinals of the 2005 US Open, the 2006 Wimbledon Championships, and the 2008 Australian Open.
Nikola "Niki" Pilić is a Croatian former professional tennis player who competed for SFR Yugoslavia.
David "Dudi" Sela is an Israeli former professional tennis player. He reached a career-high singles ranking of World No. 29 in July 2009.
Jamie Robert Murray, is a British professional tennis player who specialises in doubles. He is a seven-time major doubles champion, a Davis Cup winner, and a former doubles World No. 1.
Premjit Lall was an Indian professional tennis player from Kolkata, who was active during the 1960s and 70s.
James Ward is a British former professional tennis player. He is a Davis Cup champion and former British No. 2.
Leonardo Martín Mayer is a former professional tennis player from Argentina. Mayer achieved a career-high singles ranking of world No. 21 in June 2015 and world No. 48 in doubles in January 2019. He was coached by Alejandro Fabbri and Leo Alonso. He was born in Corrientes and resides in Buenos Aires.
Ruben Bemelmans is a Belgian coach and former professional tennis player. He has a career-high ATP ranking of world No. 84 in singles, achieved on 28 September 2015, and world No. 128 in doubles, achieved on 1 October 2012. Bemelmans competed mainly on the ATP Challenger Tour.
Dominic Inglot is a British former professional tennis player and a Davis Cup champion. A doubles specialist; he made the final of twenty seven ATP World Tour events, winning fourteen, including the Citi Open and Swiss Indoors partnering Treat Huey and Franko Škugor, and also made the final of nine ATP Challenger Tour events winning six of them. He was a former British No. 1 in doubles. Also known as 'Dom the Bomb' due to his menacing serve.
John Clifton is a British former professional tennis player. He was born in England and grew up in Scotland.
Kurt von Wessely, also Curt von Wessely, was an Austrian tennis player who was active during the beginning of the 20th century.
Ladislav "Laci" Legenstein is a Croatian–born Austrian former tennis player. He was active from 1950 to 1975 and won 13 career singles titles.
Austria 