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.
Petr Korda is a Czech former professional tennis player. He won the 1998 Australian Open and was runner-up at the 1992 French Open, reaching a career-high ranking of No. 2 in February 1998. Korda tested positive for doping in July 1998 at Wimbledon, and was banned from September 1999 for 12 months, but he retired shortly before the ban.
Cyril Suk III is a former professional tennis player. A doubles specialist, Suk won five Grand Slam titles, one men's doubles and four Grand Slam mixed doubles titles and 32 ATP Tour doubles titles during his career.
Andrea Sestini Hlaváčková is a Czech retired professional tennis player.
Dimitri Poliakov is a former professional tennis player from Ukraine.
Orlin Stanoytchev is a former professional tennis player from Bulgaria.
Federico Browne is a former professional tennis player from Argentina.
Oliver Fernandez is a former professional tennis player from Mexico. He was captain of Mexico's Davis Cup side. Today he is a businessman.
Kristian Capalik is a Bosnian American actor and former professional tennis player.
Jiří Granát is a former professional tennis player from the Czech Republic who competed for Czechoslovakia.
Dimitar Kuzmanov is a Bulgarian professional tennis player and the current No. 2 Bulgarian in the ATP singles rankings. His highest singles ranking is No. 159 achieved on 29 August 2022, whilst his best doubles ranking is No. 438 achieved on 1 April 2019.
František Pála is a former professional tennis player from the Czech Republic who competed for Czechoslovakia. His son Petr was also a tennis player.
Phillip Simmonds is a professional tennis player from the United States.
Varvara Alexandrovna Flink is a Russian tennis player. She achieved a career-high WTA singles ranking of 122 on 15 July 2019. Flink owns one doubles title on the WTA Challenger Tour. She won her first of her six ITF singles title on 21 May 2017. In doubles, she has won two ITF titles. The first was in Monastir, Tunisia, in 2012. By winning the doubles title, Flink reached her highest doubles ranking of 471 on 1 April 2013. She reached two singles semifinals in 2013, one in Dubrovnik and the other in Seoul.
Yasutaka Uchiyama is a Japanese tennis player playing on the ATP Challenger Tour. He achieved a career-high ATP singles ranking of world No. 78 on 04 November 2019 and doubles ranking of No. 102 on 20 August 2018. He has won eight ITF Futures singles titles and reached the final of the Lexington Challenger in August 2015, losing to John Millman in three sets.
Thiago Moura Monteiro is a Brazilian professional tennis player.
Markéta Šimková is a Czech professional tennis player. She has a career-high ranking of world No. 14 by the Women's Tennis Association (WTA). Vondroušová finished runner-up at the 2019 French Open, where she became the first teenage Grand Slam finalist on the tour since Caroline Wozniacki, nearly a decade earlier. She has won one WTA singles title out of four finals and a silver medal at the 2021 Tokyo Olympics.
Miriam Kolodziejová is a Czech tennis player.
Emil Ruusuvuori is a Finnish professional tennis player. He reached a career high ATP singles ranking of World No. 41 on 31 October 2022. He is currently the No. 1 Finnish singles tennis player. He has a career-high doubles ranking of World No. 179 achieved on 2 May 2022.
Jonáš Forejtek is a professional tennis player from the Czech Republic. Forejtek has a career high ATP singles ranking of World No. 217, achieved on 1 August 2022. He also has a career high ATP doubles ranking of World No. 302, achieved on 28 February 2022. Forejtek has reached five career singles finals, with a record of 2 wins and 3 losses all on the ITF Futures Tour. Additionally, he has reached five career doubles finals, with a record of 4 wins and 1 loss which includes a 2–0 record in ATP Challenger Tour finals.
Czech Republic 
