Jason Murray Kubler is an Australian professional tennis player. He has a career-high ATP singles ranking of No. 63 achieved on 24 April 2023 and a doubles ranking of No. 27 achieved on 22 May 2023. Kubler's career highlight came at the 2023 Australian Open, where he won his first Grand Slam doubles title as a wildcard alongside compatriot Rinky Hijikata.
Jack Sock is an American pickleball player and former professional tennis player. He won four career singles titles and 17 doubles titles on the ATP Tour, and had career-high tennis rankings of world No. 8 in singles and world No. 2 in doubles.
Tatsuma Ito is a Japanese professional tennis player. He has won 7 Challenger tournaments and achieved a career-high singles ranking of World No. 60 in October 2012.
James Duckworth is an Australian professional tennis player. He has a career-high Association of Tennis Professionals (ATP) singles ranking of World No. 46 achieved on 31 January 2022 and No. 185 in doubles achieved on 10 February 2020. Duckworth represented Australia in tennis at the 2020 Tokyo Olympics and the 2022 ATP Cup.
Lucas Pouille is a French professional tennis player. He has a career-high ATP singles ranking of world No. 10, achieved on 19 March 2018 and a career-high ATP doubles ranking of world No. 79, achieved on 11 April 2016. He has won five singles titles on the ATP Tour and was on the winning French Davis Cup team in 2017.
Alex Bolt is an Australian professional tennis player. He plays mainly on the ATP Challenger Tour. His career-high rankings by the ATP are world No. 125 in singles and world No. 81 in doubles. Highlights of his career include quarterfinal appearances at the 2014 Australian Open men's doubles and at the 2017 Australian Open with Andrew Whittington and Bradley Mousley respectively.
Frances Tiafoe Jr. is an American professional tennis player. Tiafoe won his first of three ATP titles at the 2018 Delray Beach Open, becoming the youngest American man to win a tournament on the ATP Tour since Andy Roddick in 2002. He won his second title on clay at the 2023 U.S. Men's Clay Court Championships in Houston and his third on grass in 2023 Stuttgart. He reached his career high at world No. 10 in singles on June 19, 2023, and world No. 160 in doubles on November 1, 2021. On June 19, 2023, he became the first Sierra Leonean American and only the third man of African descent to be ranked in the top 10 by the Association of Tennis Professionals (ATP), after Arthur Ashe and James Blake. His current ranking, as of December 19, 2023, is 16 in the world by the Association of Tennis Professionals (ATP).
Stefan Kozlov is an American professional tennis player of Russian descent. He has a career-high ATP ranking of world No. 103 achieved on 18 July 2022 and doubles ranking of world No. 180 on 19 June 2017.
Michael Mmoh is an American professional tennis player. Mmoh has a career-high ATP singles ranking of No. 81 achieved on 11 September 2023. He has won seven ATP Challenger titles and four ITF Futures tournaments, including his first at the age of 16. He won the USTA junior national championship in 2016.
Ernesto "Neto" Escobedo III is a Mexican-American professional tennis player who has won four ATP Challenger titles. He is currently the No. 1 Mexican player.
Mitchell Krueger is an American tennis player.
Marc David Polmans is a South African-born Australian professional tennis player. Polmans has a career high ATP singles ranking of World No. 116 achieved on 12 October 2020. He also has a career high ATP doubles ranking of World No. 68 achieved on 16 October 2017. He won the 2015 Australian Open boys' doubles title with fellow Australian Jake Delaney, defeating Hubert Hurkacz and Alex Molčan in the final. He reached the semifinal of the 2017 Australian Open doubles with Andrew Whittington.
Grégoire Barrère is a French professional tennis player. He has a career high ATP singles ranking of No. 49, which was achieved on 3 July 2023. He also has a career-high ATP doubles ranking of No. 161 achieved on 26 April 2021. Barrère has won five ATP Challenger Tour and six ITF Futures singles titles as well as five Challenger and six ITF Futures doubles titles in his career.
Christopher Eubanks is an American professional tennis player. He played college tennis for the Georgia Tech Yellow Jackets. There, he was a two-time All-American and twice named ACC Player of the Year. He has a career-high ATP singles ranking of world No. 29, achieved on July 31, 2023. In doubles, he achieved a career-high ranking of world No. 182 on September 14, 2020.
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. 70 on 19 June 2023 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. As of August 28, 2023, he was one of only twelve members of the ATP top 100 to hit a one-handed backhand.
Sebastian Ofner is an Austrian professional tennis player. He has a career high ATP singles ranking of World No. 43 achieved on 13 November 2023. He is currently the No. 1 Austrian player.
Hugo Gaston is a French tennis player. His career high ATP ranking in singles is world No. 58, which he achieved on 11 July 2022, and in doubles is world No. 220, which he achieved on 16 May 2022. He won the 2018 Australian Open – Boys' doubles title with compatriot Clément Tabur.
Emilio Nava is an American professional tennis player. Nava has a career-high ATP singles ranking of No. 168 achieved on 3 July 2023. He reached two finals of the Boys' Singles Grand Slam tournaments, losing to Lorenzo Musetti in the 2019 Australian Open and to Jonáš Forejtek in the 2019 US Open.
Abedallah Shelbayh is a Jordanian tennis player.
Shang Juncheng is a Chinese professional tennis player. Shang reached his career-high singles ranking of world No. 149 on 31 July 2023. In July 2021, he reached the number one in the ITF junior rankings.
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