The Association of Tennis Professionals (ATP) is the governing body of the men's professional tennis circuits – the ATP Tour, the ATP Challenger Tour and the ATP Champions Tour. It was formed in September 1972 by Donald Dell, Jack Kramer, and Cliff Drysdale to protect the interests of professional tennis players, and Drysdale became the first president. Since 1990 the association has organized the ATP Tour, the worldwide tennis tour for men and linked the title of the tour with the organization's name. It is the governing body of men's professional tennis. In 1990 the organization was called the ATP Tour, which was renamed in 2001 as just ATP and the tour being called ATP Tour. In 2009 the name of the tour was changed again and was known as the ATP World Tour, but changed again to the ATP Tour by 2019. It is an evolution of the tour competitions previously known as Grand Prix tennis tournaments and World Championship Tennis (WCT). The ATP's global headquarters are in London. ATP Americas is based in Ponte Vedra Beach, Florida; ATP Europe is headquartered in Monaco; and ATP International, which covers Africa, Asia and Australasia, is based in Sydney, Australia.
Luiz Mattar is a former professional tennis player from Brazil.
Andrei Stanislavovich Olhovskiy is a former tennis player from Russia, who turned professional in 1989.
Donald James Johnson is an American former professional tennis player who reached the World No. 1 doubles ranking in 2002. Although born in Bethlehem, Pennsylvania, he was raised and learned the sport of tennis in the Pittsburgh suburb of Mt. Lebanon, Pennsylvania. Johnson attended Fairview High School in Erie, Pennsylvania, and won the PIAA State Singles Championship in 1984. During his career, he won the Wimbledon men's doubles title in 2001, and the Wimbledon mixed doubles title in 2000. He also won the doubles title at the Tennis Masters Cup in 2000. He won a total of 23 top-level doubles titles.
Simon Aspelin is a former professional tennis doubles player from Sweden who turned professional in 1998. His success mainly came in doubles, winning 12 titles and reaching World No. 7 in March 2008. In men's doubles, Aspelin won the 2007 US Open and the silver medal at the 2008 Summer Olympics.
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.
Bai Yan is a Chinese male tennis player.
Zhang Ze, is a Chinese male tennis player.
Philippe Washer was a Belgian tennis player. He competed in the Davis Cup a number of times, from 1946 to 1961. He was ranked world No. 8 in 1957.
Hong Seong-chan is a South Korean tennis player. Hong has a career high ATP singles ranking of world No. 141 achieved on 9 September 2024 and a doubles ranking of No. 359 achieved on 16 January 2023. He is the current Korean No. 1 singles player.
Zhu Benqiang is a former professional tennis player from the People's Republic of China.
Xia Jiaping is a former professional tennis player from the People's Republic of China.
Giovani Samaha is a Lebanese tennis player.
Benjamin Hassan is a German-born tennis player, currently representing Lebanon. He has a career high ATP singles ranking of world No. 143, achieved on 17 June 2024 and a doubles ranking of No. 210, achieved on 14 October 2024.
Hady Habib is an American-born tennis player, currently representing Lebanon. He has a career high ATP singles ranking of world No. 259 and a career-high doubles ranking of No. 302. Habib has won 10 ITF singles and two doubles titles.
Matheus Pucinelli de Almeida is a Brazilian tennis player.
Yang Jingzhu is a Chinese former professional tennis player.
Andrian Raturandang is an Indonesian former professional tennis player. He was a gold medalist for Indonesia at the 1997 Southeast Asian Games.
Patrick Chucri is a Lebanese former professional tennis player. He represented Lebanon in the Davis Cup from 2002 to 2014, 2005 Mediterranean Games in Almeria, Spain and the 2006 Asian Games in Doha, Qatar.
Bassam Beidas is a British-born Lebanese former professional tennis player.
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