The ATP Tour is the sole worldwide top-tier tennis tour for men organized by the Association of Tennis Professionals founded in 1990 that replaced the earlier dual Grand Prix Circuit and WCT Circuit. The second-tier tour is the ATP Challenger Tour and the third-tier is the ITF Men's World Tennis Tour. The equivalent women's organisation is the WTA Tour.
Luis Horna Biscari is a former tour professional tennis player from Peru, who turned professional in 1998. Known by his nickname "Lucho", he won 2 career singles titles, reached the quarterfinals of the 2004 Madrid Masters and achieved a career-high singles ranking of World No. 33 in August 2004.
Ryan Sweeting is an American former professional tennis player.
Rex Noel Hartwig was an Australian tennis player.
Ashley Fisher is a professional tennis player who comes from New South Wales in Australia. Fisher turned professional in 1998. Fisher has never played a major singles match on the ATP Tour, but has won four notable doubles titles on tour. The doubles specialist reached his highest doubles ranking of World Number 19 on 22 June 2009. He has reached the 2006 U.S. Open men's doubles semi-finals. Fisher is currently the head coach of the University of South Florida men's tennis team.
Brian Dabul is an Argentine retired tennis player. He was ranked the No. 1 junior in the world in January 2002. His highest ranking in men's singles was No. 82, and his highest ranking in doubles was No. 79.
The Association of Tennis Professionals (ATP) World Tour is the elite professional tennis circuit organised by the ATP. The 2009 ATP World Tour calendar comprises the Grand Slam tournaments, the ATP World Tour Masters 1000, the ATP World Tour 500 series, the ATP World Tour 250 series, the ATP World Team Championship, the Davis Cup, and the ATP World Tour Finals. Also included in the 2009 calendar is the Hopman Cup, which does not distribute ranking points, and is organised by the ITF.
Zhang Ze, is a Chinese male tennis player.
The year 1931 in tennis was a complex mixture of mainly amateur tournaments composed of international, invitational, national, exhibition, team events and joined by an up-and-coming Pro Tour both on competitive and exhibitional levels.
Li Zhe is a Chinese tennis player who plays mainly on the ATP Challenger and ITF Futures Tours. On 11 November 2019, he reached his highest ATP singles ranking of world No. 193. His highest doubles ranking of world No. 136 was achieved on 28 February 2011.
Saketh Myneni is an Indian professional tennis player. He has a career-high doubles ranking of No. 74 achieved on 16 January 2023. He was conferred with the prestigious Arjuna Award in 2017 and represents India in the Davis Cup. He won a gold medal in Mixed doubles and a silver medal in the men's doubles event at the Incheon Asian Games 2014. He has won 10 ITF and 2 ATP Challenger singles titles. Also, 18 ITF and 14 ATP Challenger doubles titles.
Andrew Whittington is a former Australian professional tennis player. He made the world's top 200 in August 2016 following a semifinal run at the 2016 Kentucky Bank Tennis Championships. His best performance came by reaching the quarterfinals of the 2014 Australian Open with Alex Bolt. In May 2014, Whittington and Bolt won the China International Challenger, which was both players' first Challenger doubles title. He made his singles grand slam debut at the 2017 Australian Open after being given a wildcard.
Vijay SP Natarajan is an Indian professional tennis player. He has a career-high ATP doubles ranking of No. 80 achieved on 29 January 2024. He also has a career-high ATP singles ranking of No. 335 achieved on 5 October 2015.
Tristan-Samuel Weissborn is an Austrian professional tennis player who specializes in doubles.
Usue Maitane Arconada is an American tennis player born in Argentina. As a junior she won the 2016 Wimbledon girls' doubles title. During her professional career Arconada has won five singles and seven doubles titles on the ITF Women's Circuit.
Max Purcell is an Australian professional tennis player. He reached his career-high singles ranking of world No. 40 on 16 October 2023 and a doubles ranking of No. 8 on 9 September 2024.
João Magalhães Hueb de Menezes is a Brazilian inactive professional tennis player. He has a career-high ATP singles ranking of world No. 172 achieved on 17 February 2020. He also has a career high doubles ranking of No. 242 achieved on 13 September 2021.
Américo Túpac Amaru "Tupi" Venero is a French-born Peruvian former professional tennis player.
Dang Qiu is a German professional table tennis player. He is the first German-born national player playing the penhold grip style, in particular the modern two-sided penhold grip which allows him to play the reverse penhold backhand. In 2022 and at his first participation of a European Table Tennis Championships, he won the men's single title on first attempt.
Max Houkes is a Dutch tennis player.
2024 Lima Challenger 
Vít Kopřiva 
Karol Drzewiecki 
