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 again in September 2020 in honor of 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.
The Canada Fed Cup Team represents Canada in Fed Cup tennis competition and is governed by Tennis Canada. They currently compete in World Group II.
The Japan Fed Cup team represents Japan in Fed Cup tennis competition and are governed by the Japan Tennis Association. They were most recently promoted to the 2019 Fed Cup World Group II after defeating Great Britain in the 2018 World Group II Play-offs.
The Croatia Fed Cup team represents Croatia in Fed Cup tennis competition and are governed by the Croatian Tennis Association. They currently compete in the Europe/Africa Zone Group I.
The Kazakhstan Fed Cup team represents Kazakhstan in Fed Cup tennis competition and are governed by the Kazakhstan Tennis Federation. They currently compete in the Asia/Oceania Zone of Group I.
The New Zealand Fed Cup team represents New Zealand in the Fed Cup tennis competition. It is governed by Tennis New Zealand.
The South Korea Fed Cup team represents South Korea in Fed Cup tennis competition and are governed by the Korea Tennis Association. They currently compete in the Asia/Oceania Zone of Group I.
The Belarus Fed Cup team represents Belarus in Fed Cup tennis competition and are governed by the Belarus Tennis Association. They currently compete in the World Group.
The Bulgaria Fed Cup team represents Bulgaria in Fed Cup tennis competition and are governed by the Bulgarian Tennis Federation.
The Estonia Fed Cup team represents Estonia in Fed Cup tennis competition and are governed by the Estonian Tennis Association.
The Netherlands Fed Cup team represents the Netherlands in Fed Cup tennis competition and are governed by the Koninklijke Nederlandse Lawn Tennis Bond. They currently compete in World Group II.
The Switzerland Fed Cup team represents Switzerland in Fed Cup tennis competition and are governed by Swiss Tennis. They currently compete in World Group II.
The South Africa Fed Cup team represents South Africa in Fed Cup tennis competition and are governed by the South African Tennis Association. They currently compete in the Europe/Africa Zone of Group II.
The Paraguay Fed Cup team represents Paraguay in Fed Cup tennis competition and are governed by the Asociación Paraguaya de Tenis.
The Indonesia Fed Cup team represents Indonesia in Fed Cup tennis competition and are governed by the Indonesian Tennis Association. They have not competed in the World Groups since 2006.
The Sri Lanka Fed Cup team represents Sri Lanka in Fed Cup tennis competition and are governed by the Sri Lanka Tennis Association. They have not competed since 2001 with the exception of the 2008 tournament.
Zarina Diyas is a Kazakhstani professional tennis player. She has a career-high WTA ranking of No. 31 in the world. She is one of the few Kazakhstani tennis players who was born in Kazakhstan. Diyas has won one WTA singles title, at the 2017 Japan Women's Open, as well as nine singles titles on the ITF Women's Circuit.
Viktória Kužmová is a Slovakian professional tennis player.
The Bangladesh Fed Cup team represents Bangladesh in Fed Cup tennis competition and are governed by the Bangladesh Tennis Federation. They took part in the Fed Cup for the first time in 2019, competing in the Asia/Oceania Zone Group II.
The 2020–21 Billie Jean King Cup is the 58th edition of the most important tournament between national teams in women's tennis, and the first to bear the name Billie Jean King Cup.
(22 April 2019)
