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 Japan Open is a men's tennis tournament held in Ariake Tennis Forest Park with its center court Ariake Coliseum, located in Koto, Tokyo. The historical precursor event, the "All-Japan Championships" was founded in 1915, then later became the "Japan International Championships." In 2018, the venue switched to the Musashino Forest Sports Plaza as the Ariake Coliseum was renovated for the tennis events at the 2020 Summer Olympics. The championship includes men's singles and doubles competitions.
Open Bogotá was a tournament for professional tennis players played on outdoor clay courts and was held in Bogotá, Colombia from 2007 to 2017. From 2005–2013, it was an Association of Tennis Professionals (ATP) Challenger Tour men's event. The tournament was not held in 2014 but returned to the Challenger Tour in 2015. The event was also held as an ITF Women's Circuit tournament and from 2008 to 2011 the tournament had a $25,000 prize fund. A one-off $100,000+H women's tournament was also held in 2014.
The Soweto Open was a professional tennis tournament played on outdoor hardcourts. It was part of the ATP Challenger Tour and the ITF Women's Circuit as a $50,000+H event. It was held at the Arthur Ashe Tennis Centre in the Soweto urban area of Johannesburg, South Africa, from 2009 to 2011. The event was not held in 2012 and came back to the ITF Circuit and the ATP Challenger Tour in 2013. In 2013 on the ITF Circuit, the even was downgraded from a $100,000+H to $50,000+H.
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 Sparkassen ATP Challenger is a tennis tournament held in Ortisei, Italy since 2000. The event is part of the ATP Challenger Tour and the ITF Women's Circuit, and it is played on indoor hardcourts. The event was previously a $100,000+H ITF Women's Circuit category from 2008 to 2009.
The Copa Oster is a tournament for female professional tennis players played on outdoor clay courts. The event is classified as a WTA 125s tournament. It was held annually in Cali, Colombia, from 2008 to 2013. The first edition of the tournament was held in Bogotá in 2007. After a ten-year hiatus, the tournament returned to the Challenger Circuit in 2023.
The Dow Tennis Classic or Dow Corning Tennis Classic (DCTC) is a WTA 125 level tennis tournament. It is played in October–November each year in Midland, Michigan. From 2010 to 2020, it used to be held as a $100,000 tournament as part of the ITF Women's Circuit before being upgraded to a WTA 125 event in 2021.
The Al Habtoor Tennis Challenge is a tournament for professional female tennis players, played on outdoor hardcourts. The event is classified as an ITF Women's Circuit tournament and has been held annually in Dubai, United Arab Emirates since 1998.
The Taipei Open or Taipei WTA Challenger was a tournament for female professional tennis players played on indoor carpet courts. The event was classified as a WTA 125 tournament, and held annually in November in Taipei City, from 2008 until 2015, and was sponsored by the OEC Group. In 2012, the event was upgraded from a $100k ITF tournament to a WTA Challenger tournament. Its final edition took place in 2019.
The Soho Square Ladies Tournament was a tournament for professional female tennis players played on outdoor hardcourts. The event was classified as a $100,000 ITF Women's Circuit tournament and was held in Sharm El Sheikh, Egypt. In 2013, the event was classified as a $75,000+H event and held on clay courts.
The International Country Cuneo was a tournament for professional female tennis players played on outdoor clay courts. The event was classified as a $15,000 ITF Women's Circuit tournament. It was held annually in Cuneo, Italy from 1999 to 2018. The tournament, previously a $100,000 event, was not held from 2012 to 2016, and was revived in 2017 as a $15,000 tournament.
The Torneo Internazionale Femminile Antico Tiro a Volo is a tournament for professional female tennis players played on outdoor clay courts. The event is classified as a $60,000 ITF Women's Circuit tournament. It was held in Rome, Italy, from 2005 to 2011 with the exception of 2009. The event was not held from 2012 to 2014, but it reappeared in 2015. The event was previously a $100,000, $75,000 and $25,000 tournament.
The Shenzhen Longhua Open is a tournament for professional female and male tennis players played on outdoor hard courts. The event is classified as a $100,000 ITF Women's Circuit tournament and a $75,000+H ATP Challenger Tour tournament, and has been held in Shenzhen, China, since 2016.
The Wiesbaden Tennis Open is a tournament for professional female tennis players played on outdoor clay courts. The event is classified as a $100,000 ITF Women's Circuit tournament and has been held in Wiesbaden, Germany, since 2012.
The FineMark Women's Pro Tennis Championship is a tournament for professional female tennis players played on outdoor clay courts. The event is classified as a $100,000 ITF Women's Circuit tournament and has been held in Bonita Springs, Florida, United States, since 2019.
The Zed Tennis Open were a series of tournaments for professional female tennis players played on outdoor hardcourts. The events, classified as $100,000 and $60,000 ITF Women's Circuit tournaments, had been held in Cairo, Egypt, in 2020.
The 2020 ITF Women's World Tennis Tour is the 2020 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 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 ITF World Tennis Tour Gran Canaria and the ITF World Tennis Tour Maspalomas are two back-to-back tournaments for professional female tennis players played on outdoor clay courts. The events are both classified as $60,000 ITF Women's World Tennis Tour tournaments and have been held in Maspalomas, Spain, since 2021. In 2023, only one event was held and upgraded to $100,000.
2024 GB Pro-Series Shrewsbury 
