Rohan Machanda Bopanna is an Indian professional tennis player who specialises in doubles. He attained the world No. 1 ranking after winning his first major doubles title at the 2024 Australian Open with Matthew Ebden, becoming the oldest first-time No. 1 at the age of 43.
Matwé Middelkoop is a Dutch professional tennis player who specialises in doubles. He has won 14 doubles titles on the ATP Tour, most notably the 2022 Rotterdam Open alongside Robin Haase, and reached a career high doubles ranking of world No. 18 on 6 February 2023.
The Association of Tennis Professionals (ATP) Tour is the elite professional tennis circuit organised by the ATP tour. The 2000 ATP Tour calendar comprises the Grand Slam tournaments, the tennis event at the 2000 Summer Olympics, the Tennis Masters Series, the ATP International Series Gold, the ATP International Series, the ATP World Team Cup, the Tennis Masters Cup and the ATP Tour World Doubles Championships. Also included in the 2000 calendar are the Davis Cup and the Hopman Cup, which do not distribute ranking points, and are both organised by the ITF.
Ivan Dodig is a Croatian professional tennis player who specializes in doubles. He reached his career-high doubles ranking of World No. 2 in September 2023. He is a seven-time Grand Slam champion, having won men's doubles titles at the 2015 French Open with Marcelo Melo, the 2021 Australian Open with Filip Polášek and the 2023 French Open with Austin Krajicek.
Nikola Mektić is a Croatian professional tennis player who is a former world No. 1 in doubles.
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, and five singles and 32 doubles titles in ITF Futures tournaments.
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), achieved in June 2023. He attained his career-high singles ranking of world No. 94 in October 2015.
Wesley Koolhof is a Dutch professional tennis player who is a former World No. 1 in doubles.
Yegor Alekseyevich Gerasimov or Yahor Alyakseyevich Herasimaŭ is a Belarusian professional tennis player. He has a career high ATP singles ranking of World No. 65, which he achieved on 24 February 2020. He also achieved a career high ATP doubles ranking of World No. 263 on 2 March 2015. He is the current No. 1 Belarusian player.
The 2016 President's Cup (tennis) was a professional tennis tournament played on outdoor hard courts. It was the 11th edition, for men, and 8th edition, for women, of the tournament and part of the 2016 ATP Challenger Tour and the 2016 ITF Women's Circuit, offering totals of $75,000, for men, and $25,000, for women, in prize money. It took place in Astana, Kazakhstan, on 25–31 July 2016.
Joran Vliegen is a Belgian professional tennis player who specializes in doubles. He 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 has claimed 8 ATP tour doubles titles with partner Sander Gillé, including an ATP Masters 1000 title at 2024 Monte-Carlo Masters. He has also won two singles titles on the ITF Men's Circuit.
Alexander Stanislavovich Bublik is a Kazakhstani professional tennis player. He has been ranked as high as world No. 17 in singles by the ATP, achieved in May 2024, and is the current Kazakhstani No. 1 player. Bublik also has a career-high doubles ranking of world No. 47, attained on 8 November 2021.
The 2016 Astana Challenger Capital Cup was a professional tennis tournament played on indoor hard courts. It was the first edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Astana, Kazakhstan between 21 and 26 November 2016.
Kwon Soon-woo is a South Korean professional tennis player. He has been ranked as high as world No. 52 ranking by the ATP, achieved in November 2021 and a doubles ranking of world No. 227, attained in October 2022. Kwon has won two ATP, three ATP Challenger Tour and five ITF World Tennis Tour singles titles.
The 2017 President's Cup was a professional tennis tournament played on outdoor hard courts. It was the twelfth (men) and ninth (women) editions of the tournament and was part of the 2017 ATP Challenger Tour and the 2017 ITF Women's Circuit. It took place in Astana, Kazakhstan, on 17–23 July 2017.
Marc-Andrea Hüsler is a Swiss professional tennis player. He has a career-high singles ranking by the ATP of world No. 47, achieved on 13 February 2023. In doubles, he achieved a career-high ranking of world No. 132 on 25 October 2021. He is currently the No. 3 Swiss player.
Isa Mammetgulyyev is a Turkmen tennis player. With a world ranking of #1115 in 2016, he became and still remains the highest ranked tennis player in Turkmenistan history.
Vaja Uzakov is an Uzbek tennis player.
The 2018 President's Cup was a professional tennis tournament played on outdoor hard courts. It was the thirteenth (ATP) and tenth (ITF) editions of the tournament and was part of the 2018 ATP Challenger Tour and the 2018 ITF Women's Circuit. It took place in Astana, Kazakhstan, on 16–22 July 2018.
Denis Shapovalov is a Canadian professional tennis player who has been ranked as high as world No. 10 in singles and world No. 44 in doubles by the Association of Tennis Professionals (ATP). He has won one singles title on the ATP Tour in his career to date.
Kazakhstan 
