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 Finals is the season-ending championship of the ATP Tour. It is the most significant tennis event in the men's annual calendar after the four majors, as it features the top eight singles players and top eight doubles teams based on their results throughout the season. The eighth spot is reserved, if needed, for a player or team who won a major in the current year and is ranked from ninth to twentieth.
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 125K series, and third-tier is the ITF Women's World Tennis Tour. The men's equivalent is the ATP Tour.
The WTA rankings are the ratings defined by the Women's Tennis Association, introduced in November 1975. The computer that calculates the ranking is nicknamed "Medusa".
The WTA Tour is the elite tour for professional women's tennis organised by the Women's Tennis Association (WTA). The WTA Tour includes the four Grand Slam tournaments, the WTA Tour Championships and the WTA Tier I, Tier II, Tier III and Tier IV events. ITF tournaments are not part of the WTA Tour, although they award points for the WTA World Ranking.
The PIF ATP Rankings are the merit-based method used by the Association of Tennis Professionals (ATP) for determining the qualification for entry as well as the seeding of players in all singles and doubles tournaments. The first rankings for singles were published on 23 August 1973 while the doubles players were ranked for the first time on 1 March 1976. Ranking points are awarded according to the stage of tournament reached, and the prestige of the tournament, with the four Grand Slam tournaments awarding the most points. The rankings are updated every Monday, and points are dropped 52 weeks after being awarded. Novak Djokovic is the current men's singles world No. 1.
A tennis tour is tennis played in tournament format at a series of venues – a tour – over during a set period of weeks or months. Professional tour tennis is played globally with one season consisting of one calendar year. Several tournaments are held each week as players win prize money and earn ranking points. A player's ranking determines her or his ability to enter a particular tournament, as tournaments vary in the amount money and points obtainable. Winning a tournament typically requires winning four to six matches in succession, generally a match a day, as play is single-loss elimination.
The 1976 Commercial Union Assurance Grand Prix was a professional tennis circuit administered by the International Lawn Tennis Federation (ILTF) which served as a forerunner to the current Association of Tennis Professionals (ATP) World Tour and the Women's Tennis Association (WTA) Tour. The circuit consisted of the four modern Grand Slam tournaments and open tournaments recognised by the ILTF. The Commercial Union Assurance Masters is included in this calendar but did not count towards the Grand Prix ranking.
The 2012 WTA Tour is the elite professional tennis circuit organized by the Women's Tennis Association (WTA) for the 2012 tennis season. The 2012 WTA Tour calendar comprises the Grand Slam tournaments, the WTA Premier tournaments, the WTA International tournaments, the Fed Cup, the year-end championships, and the tennis event at the Summer Olympic Games. Also included in the 2012 calendar is the Hopman Cup, which is organized by the ITF and does not distribute ranking points.
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.
The 2013 WTA Tour was the elite professional tennis circuit organized by the Women's Tennis Association (WTA) for the 2013 tennis season. The 2013 WTA Tour calendar comprised the Grand Slam tournaments (supervised by the International Tennis Federation, the WTA Premier tournaments, the WTA International tournaments, the Fed Cup, and the year-end championships. Also included in the 2013 calendar is the Hopman Cup, which was organized by the ITF and does not distribute ranking points.
The 2014 WTA Tour was the elite professional tennis circuit organized by the Women's Tennis Association (WTA) for the 2014 tennis season. The 2014 WTA Tour calendar comprises the Grand Slam tournaments, the WTA Premier tournaments, the WTA International tournaments, the Fed Cup, and the year-end championships. Also included in the 2014 calendar is the Hopman Cup, which was organized by the ITF and did not distribute ranking points.
The 2015 WTA Tour was the elite professional tennis circuit organised by the Women's Tennis Association (WTA) for the 2015 tennis season. The 2015 WTA Tour calendar comprises the Grand Slam tournaments (supervised by the International Tennis Federation, the WTA Premier tournaments, the WTA International tournaments, the Fed Cup, and the year-end championships. Also included in the 2015 calendar is the Hopman Cup, which is organized by the ITF and does not distribute ranking points.
The 2017 WTA Elite Trophy was a women's tennis tournament played at the Hengqin International Tennis Center in Zhuhai, China. It was the 3rd edition of the singles event and doubles competition. The tournament was contested by twelve singles players and six doubles teams.
The 2021 Wimbledon Championships was a Grand Slam tennis tournament that took place at the All England Lawn Tennis and Croquet Club in Wimbledon, London, United Kingdom, the first since 2019 due to the COVID-19 pandemic. Novak Djokovic successfully defended his gentlemen's singles title to claim his record-equalling 20th major title, defeating Matteo Berrettini in the final. Simona Halep was the defending ladies' singles champion from 2019, but she withdrew from the competition due to a calf injury. The Ladies' Singles title was won by Ashleigh Barty, who defeated Karolína Plíšková in the final.
The 2023 United Cup was the first edition of the United Cup, an international outdoor hard court mixed-gender team tennis competition held by the Association of Tennis Professionals (ATP) and the Women's Tennis Association (WTA). Serving as the opener for the 2023 ATP Tour and the 2023 WTA Tour, it was held from 29 December 2022 to 8 January 2023 at three venues in the Australian cities of Brisbane, Perth, and Sydney. It was also the first mixed-gender team event to offer both ATP rankings and WTA rankings points to its players: a player was able to win a maximum of 500 points.
The 2023 ATP Finals was a men's tennis tournament played on indoor hard courts at the Pala Alpitour in Turin, Italy, from 12 to 19 November 2023. It was the season-ending event for the highest-ranked singles players and doubles teams on the 2023 ATP Tour.
