The WTA Tour is a worldwide top-tier tennis tour for women organized by the Women's Tennis Association. The second-tier tour is the WTA 125 series, and third-tier is the ITF Women's World Tennis Tour. The men's equivalent is the ATP Tour.
The Miami Open is an annual professional tennis tournament held in Miami Gardens, Florida, United States. It is played on outdoor hard courts at the Hard Rock Stadium, and is held in late March and early April. The tournament is part of the ATP Masters 1000 events on the ATP Tour and part of the WTA 1000 events on the WTA Tour.
The Hamburg Open is an annual tennis tournament for professional players held in Hamburg, Germany and part of the Association of Tennis Professionals (ATP) Tour. It is the 5th oldest tennis tournament in the world.
The Connecticut Open was a professional tennis tournament played on outdoor hard courts under various names and in various venues from 1948 until 2019.
Kazakhstan's former long-term President, Nursultan Nazarbayev, has challenged sports organizers to engage 30 percent of the country's population in sports. The state has numerous sports clubs where people participate in various types of sports; sport facilities are available to the general public. Kazakhstan currently hosts major international tournaments; Astana and Almaty hosted the VII Asian Winter Games 2011, which drew teams from 27 countries.
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. It was founded in 1976 when it replaced the ILTF Satellite Circuit as the second tier of tennis. 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.
The Sydney International, formerly sponsored as the Apia International Sydney from 2012 to 2017, was a professional tennis tournament in Sydney, Australia. The tournament was played annually at the Sydney Olympic Park Tennis Centre in Sydney Olympic Park. It is one of the oldest tennis tournaments in the world, dating to 1885. In 2020 and 2021, the tournament was briefly replaced by the ATP Cup, before briefly returning in 2022 and has since been replaced in both men's and women's calendars by the United Cup.
The Hong Kong Open is a professional tennis tournament organized by the Hong Kong, China Tennis Association annually at the Victoria Park Tennis Centre in Causeway Bay, Hong Kong.
The Ostrava Open was a tennis tournament organised for female professional tennis players. It was most recently a WTA 500-level tournament held in October, played on indoor hard courts, and first organized in 2020 after a 20 year absence to make up for the many tournaments cancelled during the 2020 season, due to the ongoing COVID-19 pandemic. The tournament was held from 2020-2022, with the WTA announcing in June 2023 that the event would not return.
Mikhail Aleksandrovich Kukushkin is a Russian-born Kazakhstani professional tennis player. He has a career-high ATP singles ranking of world No. 39, achieved on 25 February 2019.
The Almaty Challenger is a professional tennis tournament played on clay courts. It is currently part of the Association of Tennis Professionals (ATP) Challenger Tour. It is held annually in Almaty, Kazakhstan since 2017.
The Washington Open is an annual professional outdoor hardcourt tennis tournament played at the William H.G. FitzGerald Tennis Center in Rock Creek Park in Washington, D.C. The event is categorized as an ATP 500 event on the ATP Tour and a WTA 500 event on the WTA Tour. The tournament is owned and managed by Mark Ein in partnership with IMG.
The Kunming Open is a tennis tournament held in Anning, China since 2012. The women's event first started in 2014, joining the men's Challenger. The event is currently part of the ITF Men's World Tennis Tour and ITF Women's World Tennis Tour and is played on clay courts.
The Australian Open Series is a selection of tennis tournaments held annually prior to the start of the Australian Open in Melbourne. In 2023, there are five official Australian Open Series tournaments held across Australia in preparation for the first Grand Slam of the year, as designated by Tennis Australia.
The Tour of Almaty is an annual professional road bicycle racing stage race held in Kazakhstan. It is sanctioned by the International Cycling Union (UCI) as a 2.1 race, as part of the UCI Asia Tour. From 2013 to 2016, the race was held as a one-day race, before moving to its current two-day format in 2017.
Timofey Dmitriyevich Skatov is a Kazakhstani tennis player. He has a career-high ATP singles ranking of World No. 123, achieved on 11 September 2023 and No. 627 in doubles, achieved on 17 July 2023. Skatov had a career-high ITF junior combined ranking of No. 1 achieved on 1 January 2018. He is the current No. 5 Kazakh 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 Masters 1000, the ATP Cup, the ATP 500 series, the ATP 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.
The 2021 Madrid Open was a professional tennis tournament played on outdoor clay courts at the Park Manzanares in Madrid, Spain from 29 April – 9 May 2021. It was the 19th edition of the tournament on the ATP Tour and 12th on the WTA Tour. It was classified as an ATP Tour Masters 1000 event on the 2021 ATP Tour and a WTA 1000 event on the 2021 WTA Tour.
The 2021 Astana Open was a tennis tournament organized for professional tennis players, held in Astana, Kazakhstan, in 2021 on indoor hard courts. It was primarily organized due to the cancellation of many tournaments during the 2021 ATP Tour and 2021 WTA Tour, because of the ongoing COVID-19 pandemic. It is the second edition of the tournament for the men and the first for the women. The tournament took place in Nur-Sultan, Kazakhstan, from 20–26 September for the men, and from 27 September to 2 October for the women.
The 2022 Astana Open was a professional men's tennis tournament to be held on indoor hard courts. It was the third edition of the Astana Open and part of the ATP Tour 500 Series of the 2022 ATP Tour.
Kazakhstan 
Karen Khachanov 
Rithvik Choudary Bollipalli 
