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 Billie Jean King Cup is the premier international team competition in women's tennis, launched as the Federation Cup in 1963 to celebrate the 50th anniversary of the International Tennis Federation (ITF). The name was changed to the Fed Cup in 1995, and changed again in September 2020 in honor of former World No. 1 Billie Jean King. The Billie Jean King Cup is the world's largest annual women's international team sports competition in terms of the number of nations that compete. The current Chairperson is Katrina Adams.
Katarzyna Piter is a Polish professional tennis player.
Paula Ormaechea is an Argentine tennis player based in Italy. She has won 16 singles and nine doubles titles on the ITF Circuit. On 21 October 2013, she reached a career-high singles ranking of world No. 59.
Zarina Diyas is a Kazakh professional tennis player. She has been ranked as high as No. 31 in the world by the Women's Tennis Association (WTA). Diyas has won one WTA Tour singles title, at the 2017 Japan Women's Open, as well as nine singles titles on the ITF Women's Circuit.
Jocelyn Rae is a British former tennis player.
Daniela Schippers is a Guatemalan former tennis player.
Rafaela Gómez is an Ecuadorian tennis player.
Tami Grende is an Indonesian tennis player of Italian descent. As a junior, Grende had a career-high world ranking of 36, achieved on January 19, 2015.
Nao Hibino is a Japanese professional tennis player. She has been ranked as high as No. 56 in singles and No. 43 in doubles by the Women's Tennis Association (WTA). Hibino has won two singles and two doubles titles on the WTA Tour. Along with that, she has won eight singles titles and eight doubles titles on the ITF Circuit.
Aliona Vadimovna Bolsova Zadoinova is a Spanish-Moldovan tennis player.
Viktória Hrunčáková is a Slovak professional tennis player. She has been ranked as high as No. 43 in singles and No. 27 in doubles in the world by the Women's Tennis Association (WTA). Hrunčáková has won four WTA doubles titles and 21 titles on the ITF Circuit. She also ended runner-up at the Premier-level 2019 St. Petersburg Trophy in the doubles event, along with Anna Kalinskaya.
Tamara Zidanšek is a Slovenian tennis player. She has career-high WTA rankings of No. 22 in singles and No. 47 in doubles, and as of June 2021 is the current number-one Slovene tennis player in singles. She has won one singles title and four doubles titles on the WTA Tour and two WTA Challenger singles titles, as well as 17 singles and four doubles titles on the ITF Circuit. On the ITF Junior Circuit, she was in top 20 and had a career-high ranking of No. 16, achieved in December 2015. Playing for the Slovenia Fed Cup team, she has a win–loss record of 11–9.
Saara Orav is an inactive Estonian tennis player.
Katarina Marinkovikj is a Macedonian tennis player.
Eleni Louka is a Cypriot junior tennis player, who played at the Cyprus on the Fed Cup team since 2017.
Zani Barnard is an inactive South African tennis player. She played for South Africa on the Fed Cup in 2019.
Francesca Jones is a British tennis player.
Guillermina Grant is a Uruguayan tennis player, who played at the Uruguay on the Fed Cup since 2017.
Mouna Sabri is a former Moroccan tennis player, who played at the Morocco on the Fed Cup in 2003.
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