Michael Craig Russell is a retired American professional tennis player, who is now the tennis coach of Taylor Fritz. He reached a career-high singles ranking of World No. 60 in August 2007. His 23 United States Tennis Association (USTA) Pro Circuit singles titles were the all-time record, as of November 2013. That month he became the third-highest-ranked American in the world.
Marcel Felder is a Uruguayan professional tennis player. His highest ranking in singles was No. 227 on 28 December 2009. His highest ranking in doubles was 82 on 11 June 2012.
Víctor Estrella Burgos is a retired Dominican professional tennis player. In 2014, Estrella became the first Dominican to reach the top 100 in the ATP rankings. He also became the first Dominican player to reach the semifinals in an ATP 250 tournament in Bogota. In 2015, he also became the first tennis player from his country to participate in all four Grand Slams, playing in the Australian Open. In February 2015, he won his first career ATP title at the Ecuador Open, becoming the oldest first-time ATP tour winner in the Open Era. He successfully defended his title with a 100% winning record at the event in 2016 and 2017, but lost in the second round in 2018.
Jocelyn Robichaud is a former tour professional tennis player. Robichaud captured three junior Grand Slam titles and played Davis Cup for Canada. More of a doubles specialist, he won three Challenger events in doubles and reached a career-high ATP doubles ranking of World No. 119.
Nikola Ćaćić is a Serbian professional tennis player. He has a career-high ranking of World No. 35 in doubles achieved on 8 November 2021. He has won three doubles titles in the ATP Tour, four doubles titles in the ATP Challenger Tour, as well as five singles and 32 doubles titles in ITF Futures tournaments.
Dimitar Kuzmanov is a Bulgarian professional tennis player and the current No. 2 Bulgarian in the ATP singles rankings. His highest singles ranking is No. 181 achieved on 15 November 2021, whilst his best doubles ranking is No. 438 achieved on 1 April 2019.
Yasutaka Uchiyama is a Japanese tennis player playing on the ATP Challenger Tour. He achieved a career-high ATP singles ranking of world No. 78 on 04 November 2019 and doubles ranking of No. 102 on 20 August 2018.
Sriram Balaji is an Indian professional tennis player. Balaji has a career high ATP singles ranking of 287, achieved on 19 June 2017. He is currently a member of the Indian Davis Cup team. Played his debut Davis cup partnering Rohan Bopanna in March 2017 making India win 3–0 and enter into Davis Cup World Play off.
Hans Hach Verdugo is a Mexican tennis player.
Lloyd George Muirhead Harris is a South African professional tennis player. He has been ranked as high as World No. 31 in singles by the Association of Tennis Professionals (ATP), achieved on 13 September 2021, making him the current African and South African No. 1 men's singles player. He has a career-high doubles ranking of World No. 131, achieved on 7 March 2022. Harris has won three ATP Challenger singles titles and two Challenger doubles titles and has also won 13 ITF singles titles and 4 ITF doubles titles.
Kaichi Uchida is a Japanese professional tennis player.
Zsombor Piros is a Hungarian tennis player.
Emil Ruusuvuori is a Finnish tennis player. He reached a career high ATP singles ranking of World No. 66 on 30 August 2021.
Adrian Andreev is a professional Bulgarian tennis player. Andreev has a career-high ATP singles ranking of World No. 319 achieved on 13 September 2021. Andreev won the 2018 US Open Junior doubles title with Anton Matusevich. He also has a career-high doubles ranking of World No. 952 achieved on 21 February 2022.
Alexander Donski is a Bulgarian tennis player.
Yankı Erel is a Turkish tennis player.
Jonáš Forejtek is a professional tennis player from the Czech Republic. Forejtek has a career high ATP singles ranking of World No. 293, achieved on 8 November 2021. He also has a career high ATP doubles ranking of World No. 302, achieved on 28 February 2022. Forejtek has reached five career singles finals, with a record of 2 wins and 3 losses all on the ITF Futures Tour. Additionally, he has reached five career doubles finals, with a record of 4 wins and 1 loss which includes a 2–0 record in ATP Challenger Tour finals.
The 2021 ATP Tour was the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2021 tennis season. The 2021 ATP Tour calendar comprised the Grand Slam tournaments, the ATP Finals, the ATP Tour Masters 1000, the ATP Cup, the ATP Tour 500 series and the ATP Tour 250 series. Also included in the 2021 calendar were the Davis Cup, the Summer Olympics in Tokyo, Next Gen ATP Finals, Laver Cup, none of which distributed ranking points.
Abedallah Shelbayh is a Jordanian junior tennis player.
Coleman Wong Chak-lam is a tennis player from Hong Kong. After winning the 2021 US Open Boys' Doubles event, he becomes Hong Kong's second ever Grand Slam winner in any discipline, following Patricia Hy's 1983 Wimbledon title in Girls' Doubles. He won his second Grand Slam title in 2022 Australian Open Boys' Doubles event, becoming the first back-to-back Grand Slam champion in boy's double since Hsu Yu-hsiou did in 2017 Wimbledon and US Open
United States (–2007)
Bahamas (2008–)
