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.
The Canada women's national tennisteam represents Canada in the Billie Jean King Cup tennis competition since 1963. They are overseen by Tennis Canada, the governing body of tennis in Canada.
The Japan women's national tennis 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 Russia women's national tennis team represented Russia in Billie Jean King Cup tennis competition and are governed by the Russian Tennis Federation. They compete in the World Group. Following the 2020 ban of Russia by the World Anti-Doping Agency (WADA) and the Court of Arbitration for Sport (CAS), it competed and won the 2020–21 Billie Jean King Cup under the RTF flag and name. After the Russian invasion of Ukraine, the International Tennis Federation suspended Russia from Billie Jean King Cup competitions.
The Belarus women's national tennis team represented Belarus in Billie Jean King Cup tennis competition and are governed by the Belarus Tennis Association. They compete in the World Group. After the 2022 Russia invasion of Ukraine, the International Tennis Federation suspended Russia and Belarus from Billie Jean King Cup competitions.
The Bulgaria women's national tennis team represents Bulgaria in Billie Jean King Cup tennis competition and are governed by the Bulgarian Tennis Federation.
The Estonia Billie Jean King Cup team represents Estonia in the Billie Jean King Cup tennis competition and are governed by the Estonian Tennis Association.
The Romania Billie Jean King Cup team represents Romania in Billie Jean King Cup tennis competition. It is governed by the Federația Română de Tenis and currently competes in the World Group I, the highest level of the competition.
The Switzerland women's national tennis team represents Switzerland in Fed Cup tennis competition and are governed by Swiss Tennis. They currently compete in World Group.
Katarzyna Piter is a Polish professional tennis player.
Zarina Diyas is an inactive professional tennis player from Kazakhstan. She has been ranked as high as No. 31 in the world by the Women's Tennis Association (WTA). In her career, Diyas 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.
Dea Herdželaš is a Bosnian professional tennis player.
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 WTA. Hibino has won three singles and three doubles titles on the WTA Tour. Along with that, she has won eight singles and ten doubles tournaments on the ITF Women's World Tennis Tour.
The 2020–21 Billie Jean King Cup was the 58th edition of the international women's tennis team's tournament and the first to be styled as the Billie Jean King Cup.
The Asia/Oceania Zone is one of three zones of regional competition in the 2020–21 Billie Jean King Cup.
The 2022 Billie Jean King Cup qualifying round was played on 15 and 16 April 2022. The nine winners of this round will qualify for the 2022 Billie Jean King Cup Finals.
Switzerland defeated Australia 2–0 in the tennis final of the 2022 Billie Jean King Cup. It was the 59th edition of the women's international team competition.
The 30th Europe/Africa Zone is one of three zones of regional competition in the 2022 Billie Jean King Cup.
Canada defeated Italy in the tennis final, 2–0, in winning the 2023 Billie Jean King Cup. This was Canada's first final and title at the Billie Jean King Cup.
(08 November 2021)
