Gianni Ocleppo is a retired Italian tennis player.
Uros Vico is a Croatian-born Italian retired tennis player.
Ivan Dodig is a Croatian professional tennis player who primarily specialises in doubles. He reached his career-high doubles ranking of world No. 2 in September 2023.
Marcelo Arévalo González is a Salvadoran professional tennis player. He has been ranked as high as world No. 5 in doubles by the Association of Tennis Professionals (ATP), which he first achieved on 14 November 2022. Together with his career-high singles ranking of world No. 139, attained in April 2018, Arévalo is the highest-ranked player, male or female, across both disciplines in Salvadoran tennis history.
Nikola Mektić is a Croatian professional tennis player who is a former world No. 1 in doubles.
Austin Krajicek is an American professional tennis player. He has been ranked as high as world No. 1 in doubles by the Association of Tennis Professionals (ATP), which he first achieved in June 2023, and he also attained his career-high singles ranking of world No. 94 in October 2015.
Jeevan Nedunchezhiyan is an Indian professional tennis player. He has a career-high ranking of No. 64 achieved on 18 March 2019. He won the doubles title with Rohan Bopanna at the 2017 Chennai Open, in a historic final featuring four Indian players. He reached a career high ATP doubles ranking of No. 64 on 18 March 2019.
Wesley Koolhof is a Dutch professional tennis player who specializes in doubles. He has been ranked in doubles as high as world No. 1 by the Association of Tennis Professionals (ATP), which he first achieved in November 2022. Koolhof also attained a career-high singles ranking of world No. 462 in August 2013.
Markus Eriksson is a retired Swedish tennis player. Eriksson has a career high ATP singles ranking of 277, achieved on 19 August 2019.
Gonzalo Escobar is an Ecuadorian tennis player. His career-high doubles ranking is World No. 38, achieved on 15 November 2021. He has won three ATP doubles titles with Uruguayan Ariel Behar and two with Kazakhstani Aleksandr Nedovyesov. Escobar also has a career high ATP singles ranking of No. 281 achieved on 15 June 2015.
Sander Gillé is a Belgian professional tennis player who specializes in doubles.
Joran Vliegen is a Belgian professional tennis player who specializes in doubles. Vliegen has a career high ATP doubles ranking of World No. 17 achieved on 7 August 2023. He also has a career high singles ranking of World No. 508 achieved on 1 August 2016. Vliegen won two singles titles on the ITF Men's Circuit, but now focuses on doubles. Vliegen has claimed 7 ATP tour doubles titles with partner Sander Gillé.
Ivan Anatolyevich Nedelko is a Russian tennis player.
André Göransson is a Swedish tennis player. He has a career-high ATP singles ranking of world No. 773, achieved on 25 September 2017, and in doubles a ranking of world No. 55, achieved on 3 April 2023. He is the current number one Swedish doubles player. Göransson has won seven ATP Challenger doubles titles and two Futures doubles titles.
Ivan Andreevich Gakhov is a Russian tennis player.
Ivan Sabanov is a Serbian tennis player who formerly represented Croatia. He has won one ATP doubles title and 28 ITF doubles titles. Sabanov has a career high ATP singles ranking of World No. 907 achieved on 25 August 2014. He also has a career high ATP doubles ranking of World No. 77 achieved on 11 April 2022.
Matej Sabanov is a Serbian tennis player who formerly represented Croatia. He has won one ATP doubles title and 28 ITF doubles titles. Sabanov has a career high ATP singles ranking of 640 achieved on 20 October 2014. He also has a career high ATP doubles ranking of World No. 72 achieved on 18 April 2022.
Hua Runhao is a Chinese tennis player.
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.
The 2023 ATP Tour was the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2023 tennis season. The 2023 ATP Tour calendar comprised the Grand Slam tournaments, supervised by the International Tennis Federation (ITF), the ATP Finals, the ATP Tour Masters 1000, the United Cup, the ATP 500 series, the ATP 250 series. Also included in the 2023 calendar were the Davis Cup, Next Gen ATP Finals, Laver Cup, Hopman Cup, none of which distributed ranking points. 2023 marked the return of the ATP tournaments in China after strict COVID-19 protocols in the country.
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