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 Nottingham Open, originally known as the Nottingham Championships or Nottingham Lawn Tennis Tournament (1887–1967), is a tennis tournament for men and women held in Nottingham, United Kingdom, played on outdoor grass courts at the Nottingham Tennis Centre. After being discontinued in 2008, it was downgraded in 2011 to ATP Challenger Tour and ITF Women's Circuit. briefly re-established as an ATP World Tour 250 event on the men's tour in 2015 and 2016, before returning to a Challenger event in 2017, and since 2015 it has been an international event on the women's tour. The tournament is held in June as a "warm-up" for Wimbledon.
The Open Castilla y León is a professional tennis tournament played on outdoor hard courts. It is currently part of the Association of Tennis Professionals (ATP) Challenger Tour and the International Tennis Federation (ITF) Women's Circuit. It has been held annually at the Villa de El Espinar in El Espinar, Segovia Province, Spain since 1986. The women's event was added to the tournament in 2015.
The Surbiton Trophy is a tennis tournament for male and female professional players played on grass courts. The event was held annually in Surbiton, England, from 1997 through 2008 as part of the ATP Challenger Series and ITF Women's Circuit. In 2009, it was replaced by the Aegon Trophy in Nottingham. In 2015, the event resumed on both the ATP Challenger Tour and ITF Women's Circuit.
The Manchester Trophy is a professional tennis tournament played on outdoor grass courts. It was previously part of the ATP Challenger Tour and now currently part of the ITF Women's Circuit. It is held annually at the Northern Lawn Tennis Club in the Didsbury suburb of Manchester, England, United Kingdom, since 1995. The original defunct tournament, the Manchester Open, began in 1880 as the prestigious Northern Championships and continued until the event became a lower level Challenger tournament in 1995. The Challenger level event ended in 2009, but was revived in 2015. The men's tournament was discontinued after the 2016 edition while the women's tournament was established in 2017.
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 Open Medellín is a professional tennis tournament played on outdoor clay courts.
The Nottingham Trophy was an annual tennis tournament played in Nottingham, England. The tournament was part of the ATP Challenger Tour and the International Tennis Federation as a $75,000 event. The tournament's key sponsor was Dutch insurance firm Aegon. The tournament was held at the end of May before the main tour's grass-court season starts.
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 Burnie International is a professional tennis tournament played on outdoor hardcourts. It is currently part of the ATP Challenger Tour and the ITF Women's Circuit. It is a $75k level tournament for the Challenger Tour and a $60,000 level tournament for the Women's Circuit, although it was previously a $25k level tournament before it was upgraded in 2014. It was held annually in Burnie between 2003 and 2015, but didn't take place in 2016 due to a need for court upgrades.
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 Beijing International Challenger was a tennis tournament held in Beijing, China, from 2010 to 2013. The event was part of the ATP Challenger Tour and the ITF Women's Circuit and was played on outdoor hard courts. It was also part of the China Open Series.
The Internazionali Tennis Val Gardena Südtirol 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 Ningbo International Tennis Open is a tennis tournament held in Ningbo, China. The event is currently played as a WTA 250 tournament and earlier used to be a part of the WTA 125K series and the ATP Challenger Tour. It is played on outdoor hardcourts. The men's event ended in 2012 but restarted in 2015. The event was previously called the Ningbo Challenger.
The Oaks Club Challenger is a tournament for professional female tennis players played on outdoor clay courts. The event is classified as a $25,000 ITF Women's Circuit tournament and has been held in Osprey, Florida, United States, since 2009.
The Launceston Tennis International is a professional tennis tournament played on outdoor hardcourts. It is part of the ITF Women's Circuit and has been held in Launceston, Australia, since 2012. In 2014, it was upgraded to a $50k event. In 2018, it returned to a $25k category event, before upgrading to a $60k event in 2019.
The Carson Challenger was a tournament for professional female and male tennis players. The event on outdoor hardcourts was classified as a $50,000 ITF Women's Circuit tournament and was held in Carson, California in the United States from 2007 to 2011. In 2014, the tournament was a replacement for the Yakima Regional Hospital Challenger, as their clubhouse was destroyed by a fire earlier in the year. The event was also previously part of the ATP Challenger Tour, from 2005 to 2010, with the exception of 2006.
The Traralgon International is a professional tennis tournament played on outdoor hard courts. It is part of the ATP Challenger Tour and the International Tennis Federation (ITF) Women's World Tennis Tour. It is held annually in Traralgon, Victoria, Australia, since 2006.
The Lexus Ilkley Trophy, previously named as the Ilkley Trophy, Fuzion 100 Ilkley Trophy and the Aegon Ilkley Trophy, is a tennis tournament for male and female professional players played on grass courts. The event is classified as a 125 ATP Challenger and a ITF 100 ITF Women's Circuit event. It has been held in Ilkley, United Kingdom, since 2015. The 2020 edition of the tournament was cancelled due to the COVID-19 pandemic and the 2021 edition was held in Nottingham instead because of the pandemic, but in 2022 both legs of the tournament are set to be held.
The Hungarian Pro Circuit Ladies Open(previously known as the Sport11 Ladies Open) is a tournament for professional female tennis players played on outdoor clay courts. The event was classified as a $100,000 ITF Women's Circuit tournament and was held in Budapest, Hungary, from 2016 to 2018. In 2022, the tournament made a comeback after being rebranded as the Budapest Open 125, a $115,000 tournament on the WTA Challenger Tour.
Julia Boserup 
Heidi El Tabakh 
Tamaryn Hendler 
Petra Rampre 
Camila Giorgi 
Johanna Konta 
Olga Lazarchuk 
Justyna Jegiołka 
Hsu Chieh-yu 
Carmen Klaschka 
Anna Tatishvili 
Stefania Boffa 
Nicole Rottmann 
Maria Fernanda Alves 
Anousjka van Exel