The Association of Tennis Professionals (ATP) is the governing body of the men's professional tennis circuits – the ATP Tour, the ATP Challenger Tour and the ATP Champions Tour. It was formed in September 1972 by Donald Dell, Jack Kramer, and Cliff Drysdale to protect the interests of professional tennis players, and Drysdale became the first president. Since 1990 the association has organized the ATP Tour, the worldwide tennis tour for men and linked the title of the tour with the organization's name. It is the governing body of men's professional tennis. In 1990 the organization was called the ATP Tour, which was renamed in 2001 as just ATP and the tour being called ATP Tour. In 2009 the name of the tour was changed again and was known as the ATP World Tour, but changed again to the ATP Tour by 2019. It is an evolution of the tour competitions previously known as Grand Prix tennis tournaments and World Championship Tennis (WCT).The ATP's global headquarters are in London. ATP Americas is based in Ponte Vedra Beach, Florida; ATP Europe is headquartered in Monaco; and ATP International, which covers Africa, Asia and Australasia, is based in Sydney, Australia.
The ATP Tour is a worldwide top-tier tennis tour for men organized by the Association of Tennis Professionals. 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.
The ATP Challenger Tour, known until the end of 2008 as the ATP Challenger Series, is a series of international men's professional tennis tournaments. The Challenger Tour events are the second-highest tier of tennis competition, behind the ATP Tour. The ITF World Tennis Tour tournaments are on the entry-level of international professional tennis competition. The ATP Challenger Tour is administered by the Association of Tennis Professionals. Players who succeed on the ATP Challenger Tour earn sufficient ranking points to become eligible for main draw or qualifying draw entry at ATP Tour tournaments. Players on the Challenger Tour are usually young players looking to advance their careers, those who fail to qualify for ATP events, or former ATP players looking to get back into the big tour.
Gastão José Ministro Elias is a Portuguese professional tennis player, who competes on the ATP Tour. He became the fifth Portuguese tennis player to break into the top 100 of the Association of Tennis Professionals singles rankings. In October 2016, he reached a career-high singles ranking of world No. 57 to become the second-highest-ranked Portuguese player, after João Sousa.
Illya Vasylovych Marchenko is a Ukrainian professional tennis player. Marchenko turned professional in 2005 and had been playing at the Futures and Challengers level from 2005 to 2008. His career high in singles is World No. 49 achieved on 26 September 2016 and No. 268 in doubles achieved on 25 August 2014. On the ATP Tour, Marchenko reached the semifinals of Moscow in 2009, the 2010 St. Petersburg Open and Doha in 2016.
John H. MillmanOLY is an Australian professional tennis player and commentator. He reached a career-high singles ranking of world No. 33 in October 2018. He has won one ATP title in his career.
The President's Cup is a tennis tournament played on outdoor hardcourts. It is currently part of the ATP Challenger Tour and the ITF Women's Circuit and has been held annually in Nur-Sultan, Kazakhstan, since 2007.
The 2010 Astana Cup was a professional tennis tournament played on outdoor hard courts. It was the first edition of the tournament which was part of the 2010 ATP Challenger Tour. It took place in Astana, Kazakhstan between 23 and 29 August 2010.
The 2010 President's Cup was a professional tennis tournament played on outdoor hard courts. It was the fourth edition of the tournament which was part of the 2010 ATP Challenger Tour. It took place in Astana, Kazakhstan between 1 and 7 November 2010.
Andrés Molteni is an Argentine professional tennis player who specialises in doubles. He reached his highest ATP doubles ranking of No. 22 on 12 June 2023 and his highest ATP singles ranking of No. 181 in May 2011. He has won 13 doubles ATP titles. He participated in the inaugural 2020 ATP Cup and the 2022 edition as part of team Argentina.
The 2011 Astana Cup was a professional tennis tournament played on hard courts. It was the second edition of the tournament which was part of the 2011 ATP Challenger Tour. It took place in Astana, Kazakhstan between 22 and 28 August 2011.
Zhang Zhizhen is a Chinese professional tennis player. He reached his career-high singles ranking of world No. 54 on 26 June 2023, and his career-high doubles ranking of world No. 211 in September 2017. He has won two singles and two doubles titles on the ATP Challenger, and two singles and two doubles titles on the ITF Futures Tour. In 2021, Zhang became the first Chinese man in the Open Era to play in the main draw at Wimbledon. In October 2022, he became the first Chinese player to reach the top 100 in the ATP singles rankings. Then, in May 2023, he became the first Chinese man to reach an ATP Tour Masters 1000 quarterfinal.
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.
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.
Timur Khabibulin is an Uzbekistani–Kazakhstani tennis player of Tatar descent.
Kwon Soon-woo is a South Korean professional tennis player. He has been ranked as high as world No. 52 ranking by the Association of Tennis Professionals (ATP), which he first achieved in November 2021. He also has a career-high doubles ranking of world No. 227, attained in October 2022. Since turning professional in 2015, Kwon has won two ATP, three ATP Challenger Tour and five ITF World Tennis Tour singles titles.
Sebastian Ofner is an Austrian professional tennis player. He has a career high ATP singles ranking of World No. 81 achieved on 12 June 2023. He is currently the No. 1 Austrian player.
The 2020 ATP Tour was the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2020 tennis season. The 2020 ATP Tour calendar was composed of the Grand Slam tournaments, the ATP Finals, the ATP Tour Masters 1000, the ATP Cup, the ATP Tour 500 series, the ATP Tour 250 series, and the Davis Cup. Also included in the 2020 calendar were the tennis events at the Next Generation ATP Finals, and the Laver Cup, neither of which distributed ranking points. Several tournaments were suspended or postponed due to the COVID-19 pandemic, including the Summer Olympics in Tokyo. On 17 June 2020, ATP issued the revised calendar for Tour resumption.
Pavel Vyacheslavovich Kotov is a Russian tennis player. Kotov has a career high ATP singles ranking of World No. 96 achieved on 17 October 2022. He also has a career high doubles ranking of World No. 226 achieved on 8 November 2021.
Denis Yevseyev is a Kazakh tennis player.
2016 Astana Challenger Capital Cup 
