Tennis is a racket sport that is played either individually against a single opponent (singles) or between two teams of two players each (doubles). Each player uses a tennis racket that is strung with cord to strike a hollow rubber ball covered with felt over or around a net and into the opponent's court. The object of the game is to manoeuvre the ball in such a way that the opponent is not able to play a valid return. The player who is unable to return the ball validly will not gain a point, while the opposite player will.
Wheelchair tennis is one of the forms of tennis adapted for wheelchair users. The size of the court, net height and rackets are the same, but there are two major differences from pedestrian tennis: athletes use specially designed wheelchairs, and the ball may bounce up to two times, where the second bounce may also occur outside the court.
The International Tennis Federation (ITF) is the governing body of world tennis, wheelchair tennis, and beach tennis. It was founded in 1913 as the International Lawn Tennis Federation by twelve national tennis associations. As of 2016, there are 211 national and six regional associations that make up the ITF's membership.
The Grand Slam Cup was a tennis tournament held annually at the Olympiahalle in Munich, Germany from 1990 through 1999. The event was organized by the International Tennis Federation (ITF), which invited the best-performing players in the year's Grand Slam events to compete in the Grand Slam Cup.
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 ITF Men's World Tennis Tour is a series of professional tennis tournaments held around the world that are organized by the International Tennis Federation. The tour represents the lowest rung of the men's professional tennis ladder. ITF tournaments are incorporated into the ATP rankings, enabling young professionals to progress on to the ATP Challenger Tour and ultimately the full ATP Tour. Nearly every professional player has spent some time on the ITF Men's World Tennis Tour.
The ITF Women's Circuit is the second-tier tour for women's professional tennis organised by the International Tennis Federation, and is a tier below the WTA Tour. The ITF Women's Circuit includes tournaments with prize money ranging from $10,000 up to $100,000.
The Lexington Challenger is a professional tennis tournament played on outdoor hardcourts. It is currently part of the ATP Challenger Tour and the ITF Women's World Tennis Tour, and has been held annually at the Hilary J. Boone Tennis Complex in Lexington, Kentucky, since 1995 for men and since 1997 for women.
The ITF Women's World Tennis Tour, previously known as the ITF Women's Circuit, is a series of professional tennis tournaments run by the International Tennis Federation for female professional tennis players.
The 2012 ITF Women's Circuit was the 2012 edition of the second-tier tour for women's professional tennis. The ITF Women's Circuit is organised by the International Tennis Federation and is a tier below the WTA Tour. The 2012 season consisted of 484 events in 63 countries with prize money ranging from $10,000 up to $100,000.
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.
Keri Phebus is a professional tennis player from the United States. During her pro career from 1991 to 1998, she won five titles on the ITF Women's Circuit, received a wildcard entry and won her first round match at the 1995 US Open. Phebus is the most decorated player in the history of UCLA women's tennis.
The 2020 International Tennis Federation (ITF) Women's World Tennis Tour is a second-tier 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 includes tournaments with prize money ranging from $15,000 to $100,000. The ITF Women's World Tennis Tour is the product of reforms designed to support talented junior players in their progression to the senior game, and target the prize money effectively at professional tournaments to enable more players to make a living.
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 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 ITF Women's World Tennis Tour is the 2022 edition of the second-tier tour for women's professional tennis. It is organised by the International Tennis Federation and is a tier below the WTA Tour. The ITF Women's World Tennis Tour includes tournaments with prize money ranging from $15,000 up to $100,000.
The 2022 ITF Women's World Tennis Tour is the 2022 edition of the second-tier tour for women's professional tennis. It is organised by the International Tennis Federation and is a tier below the WTA Tour. The ITF Women's World Tennis Tour includes tournaments in five categories with prize money ranging from $15,000 up to $100,000.
The 2022 ITF Women's World Tennis Tour is the 2022 edition of the second-tier tour for women's professional tennis. It is organised by the International Tennis Federation and is a tier below the WTA Tour. The ITF Women's World Tennis Tour includes tournaments in five categories with prize money ranging from $15,000 up to $100,000.
The 2022 ITF Women's World Tennis Tour is the 2022 edition of the second-tier tour for women's professional tennis. It is organised by the International Tennis Federation and is a tier below the WTA Tour. The ITF Women's World Tennis Tour includes tournaments in five categories with prize money ranging from $15,000 up to $100,000.
The 2023 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 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 six prize money levels of tournaments: $15,000, $25,000, $40,000, $60,000, $80,000 and $100,000.
Madison Keys 
Sesil Karatantcheva 
Michelle Larcher de Brito 
Sacha Jones 
Eugenie Bouchard 
Ulrikke Eikeri 
Ajla Tomljanović 
Tetiana Luzhanska 
Anna Tatishvili