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 ATP Tour is the sole worldwide top-tier tennis tour for men organized by the Association of Tennis Professionals founded in 1990 that replaced the earlier dual Grand Prix Circuit and WCT Circuit. 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 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 1988 WTA Tour was the 16th elite tour for professional women's tennis of the Women's International Tennis Association (WITA) for the 1988 season. The 1988 WTA Tour included the four Grand Slam tournaments, the WITA Tour Championships and the WTA Category 1-5 events. ITF tournaments were not part of the WTA Tour, although they award points for the WTA World Ranking.
The WTA Tour is the elite tour for women's professional tennis organized by the Women's Tennis Association (WTA). The 2011 WTA Tour includes the Grand Slam tournaments, the WTA Premier tournaments, the WTA International tournaments, the Fed Cup, the Commonwealth Bank Tournament of Champions and the WTA Championships.
The 1986 Virginia Slims World Championship Series was the 14th season since the foundation of the Women's Tennis Association. It commenced on March 24, 1986, and concluded in December, 1986 after 41 events. The season was abbreviated in order to return the tour to a calendar year basis.
The 1987 Virginia Slims World Championship Series was the 15th season of the tennis circuit since the foundation of the Women's Tennis Association. It commenced in January 1987, and concluded in December 1987 after events.
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.
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 1981 Avon Championships World Championship Series was the 9th season since the foundation of the Women's Tennis Association. It commenced on January 4, 1981, and concluded on December 19, 1981, after 36 events. The Avon Championships World Championship Series was the elite tour for professional women's tennis organised by the Women's Tennis Association (WTA). The year is divided into two sponsors with the first three months sponsored by Avon Series and the latter part by Toyota Series. It included the four Grand Slam tournaments and a series of other events. ITF tournaments were not part of the tour, although they awarded points for the WTA World Ranking.
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 2016 WTA Tour was the elite professional tennis circuit organised by the Women's Tennis Association (WTA) for the 2016 tennis season. The 2016 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, the year-end championships. Also included in the 2016 calendar is the Summer Olympic Games and Hopman Cup, which were organized by the ITF and did not distribute ranking points.
The 2017 WTA Tour was the elite professional tennis circuit organised by the Women's Tennis Association (WTA) for the 2017 tennis season. The 2017 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, the year-end championships. Also included in the 2017 calendar is the Hopman Cup, which is organized by the ITF and does not distribute ranking points.
The 2018 WTA Tour was the elite professional tennis circuit organised by the Women's Tennis Association (WTA) for the 2018 tennis season. The 2018 WTA Tour calendar comprises the Grand Slam tournaments, supervised by the International Tennis Federation (ITF); the WTA Premier tournaments ; the WTA International tournaments; the Fed Cup and the year-end championships. Also included in the 2018 calendar is the Hopman Cup, which is organized by the ITF and does not distribute ranking points.
The 2019 WTA Tour was the elite professional tennis circuit organised by the Women's Tennis Association (WTA) for the 2019 tennis season. The 2019 WTA Tour calendar was composed of 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. The Hopman Cup, organized by the ITF, also is included but did not distribute ranking points.
The 2020 WTA Tour was the elite professional tennis circuit organised by the Women's Tennis Association (WTA) for the 2020 tennis season. The 2020 WTA Tour calendar originally comprised the Grand Slam tournaments supervised by the International Tennis Federation (ITF), the WTA Premier tournaments, the WTA International tournaments, the Fed Cup, and the year-end championships.
The 2021 WTA Tour was the elite professional tennis circuit organised by the Women's Tennis Association (WTA) for the 2021 tennis season. The 2021 WTA Tour calendar comprises the Grand Slam tournaments, the WTA 1000 tournaments, the WTA 500 tournaments, the WTA 250 tournaments, the Billie Jean King Cup, and the year-end championships. Also included in the 2021 calendar are the Summer Olympic Games, which were rescheduled from 2020.
The 2021 International Tennis Federation (ITF) Women's World Tennis Tour is the entry-level and mid-level tour for women's professional tennis. It is organized by the International Tennis Federation and is a tier below the Women's Tennis Association (WTA) Tour. The ITF Women's World Tennis Tour provides a professional pathway between the ITF Junior World Tennis Tour and the WTA Tour. The results of ITF tournaments are incorporated into the WTA ranking, which enables professionals to progress through to the elite levels of women's professional tennis. The ITF Women's World Tennis Tour offers approximately 500 tournaments across 65 countries and incorporates five prize money levels of tournaments: $15,000, $25,000, $60,000, $80,000 and $100,000
The 2022 WTA Tour was the global elite women's professional tennis circuit organized by the Women's Tennis Association (WTA) for the 2022 tennis season. The 2022 WTA Tour calendar comprised the Grand Slam tournaments, the WTA 1000 tournaments, the WTA 500 tournaments, the WTA 250 tournaments, the Billie Jean King Cup, and the year-end championships.
The ATP and WTA rankings are updated weekly on Mondays (UTC) or at the conclusion of a two-week tournament.
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