Jonáš Forejtek (born 10 March 2001) is a professional
tennis
Tennis is a List of racket sports, racket sport that is played either individually against a single opponent (singles (tennis), singles) or between two teams of two players each (doubles (tennis), doubles). Each player uses a tennis racket st ...
player from the
Czech Republic
The Czech Republic, also known as Czechia, and historically known as Bohemia, is a landlocked country in Central Europe. The country is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the south ...
.
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
The ITF Men's World Tennis Tour (formerly ''ITF Men's Circuit'') is a series of professional tennis tournaments held around the world that are organized by the International Tennis Federation (ITF). The tour represents the lowest rung of the men ...
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
The ATP Challenger Tour (known until the end of 2008 as the ATP Challenger Series) is a series of international men's professional tennis tournaments. It was founded in 1976 as a replacement for the ILTF Satellite Circuit (founded in 1971) as ...
finals.
Junior career
In 2019, Forejtek reached three junior grand slam finals, one in singles and two in doubles, winning them all. At the
2019 Australian Forejtek and compatriot partner
Dalibor Svrčina
Dalibor Svrčina (born 2 October 2002) is a Czech tennis player. He has achieved a career-high ATP singles ranking of world No. 124, achieved on 16 June 2025 and a doubles ranking of No. 276, achieved on 2 October 2023. He is currently the No. 5 ...
won the boys' doubles title beating Americans
Emilio Nava
Emilio Nava (born December 2, 2001) is an American professional tennis player. He has a career-high ATP singles ranking of No. 119 achieved on 9 June 2025 and a doubles ranking of No. 187 achieved on 28 October 2024.
Early life and background
N ...
and
Cannon Kingsley
Cannon Kingsley (born 6 May 2001) is an American tennis player. He has a career-high ATP singles ranking of 404 achieved on 12 February 2024, and a career-high ATP doubles ranking of 293 achieved on 22 July 2024.
Kingsley won ATP Challenger doub ...
''7–6
(7–5), 6–4'' in the finals. At the
2019 Wimbledon Championships
The 2019 Wimbledon Championships was a Grand Slam (tennis), Grand Slam tennis tournament that took place at the All England Lawn Tennis and Croquet Club in Wimbledon, London, United Kingdom. The main tournament began on Monday 1 July 2019 and fi ...
he partnered with another compatriot
Jiří Lehečka
Jiří Lehečka (; born 8 November 2001) is a Czech professional tennis player. He has a career-high ATP singles ranking of world No. 22, achieved on 24 February 2025, and a doubles ranking of No. 144, achieved on 15 January 2024. He has won two ...
capturing his second boys' grand slam doubles title, defeating
Govind Nanda
Govind Nanda (born February 17, 2001) is an American tennis player. He has a career-high singles ranking of No. 339 achieved on October 3, 2022, and a career-high doubles ranking of No. 497 achieved on August 8, 2022.
Personal life
Nanda is of ...
and
Liam Draxl
Liam Draxl (born December 5, 2001) is a Canadian tennis player.
He has a career-high ATP singles ranking of world No. 142, achieved on 5 May 2025 and a doubles ranking of No. 112, achieved on 3 February 2025. He is currently the No. 4 Canadian p ...
''7–5, 6–4'' in the championship match. At the
2019 US Open, he defeated
Emilio Nava
Emilio Nava (born December 2, 2001) is an American professional tennis player. He has a career-high ATP singles ranking of No. 119 achieved on 9 June 2025 and a doubles ranking of No. 187 achieved on 28 October 2024.
Early life and background
N ...
''6–7
(4–7), 6–0, 6–2'' in the final to win the boys’ singles championship.
Forejtek was the World No. 1 male junior player according to the
ITF combined singles and doubles junior rankings, achieving this feat on 9 September 2019.
Professional career
2019
As wildcard entrants, Forejtek and fellow Czech
Michael Vrbenský
Michael Vrbenský (born 26 December 1999) is a Czech tennis player.
He has a career high ATP singles ranking of world No. 277 achieved on 15 July 2024. He also has a career high doubles ranking of No. 177 achieved on 9 September 2024.
Vrbenský ...
won the doubles title at the
2019 Svijany Open
The 2019 Svijany Open was a professional tennis tournament played on clay courts. It was the 7th edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Liberec, Czech Republic between 29 July and 4 August 2019. ...
challenger tournament in
Liberec
Liberec (; ) is a city in the Czech Republic. It has about 108,000 inhabitants, making it the fifth largest city in the country. It lies on the Lusatian Neisse River, in a basin surrounded by mountains. The city centre is well preserved and is pr ...
, Czech Republic. Impressively, they defeated the number 3 seeds in the quarterfinals (second round), the number 1 seeds in the semifinals and then claimed the title by bettering the number 2 seeds
Nikola Ćaćić
Nikola Ćaćić ( sr-Cyrl, Никола Ћаћић, ; born 7 December 1990) is a Serbian former professional tennis player. He has a career-high ranking of World No. 35 in doubles achieved on 8 November 2021. He has won three doubles titles in th ...
and
''6–4, 6–3'' in the final.
2020–2021: ATP and top 300 debut
Forejtek made his ATP debut at
2020 Sofia Open receiving a wildcard entry into the singles main draw. He proceeded to claim an upset victory over former World No. 3
Marin Čilić
Marin Čilić (; born 28 September 1988) is a Croatian professional tennis player. He has been ranked world No. 3 in men's singles by the Association of Tennis Professionals (ATP), achieved on 28 January 2018. Čilić has won 21 ATP Tour-level si ...
in the first round, losing just 5 games. He was then defeated by another former top 10 player
Richard Gasquet
Richard Gabriel Cyr Gasquet (; born 18 June 1986) is a French former professional tennis player. He was ranked as high as world No. 7 in men's singles by the Association of Tennis Professionals, ATP, attained in July 2007. Gasquet won 16 singles ...
in the second round.
Forejtek made his debut in the top 300 on 1 November 2021 at World No. 294.
2022: Top 250 debut
He made his top 250 debut on 16 May 2022 at No. 226 following a semifinal showing as a qualifier at the
2022 Heilbronner Neckarcup Challenger in Germany.
Junior Grand Slam finals
Singles: 1 (1 title)
Doubles: 2 (2 titles)
ATP Challenger and ITF Futures finals
Singles: 7 (3–4)
Doubles: 7 (5–2)
Performance timeline
Singles
''Current through the
2020 Sofia Open''
References
External links
*
{{DEFAULTSORT:Forejtek, Jonas
2001 births
Living people
Czech male tennis players
Australian Open (tennis) junior champions
US Open (tennis) junior champions
Tennis players from Plzeň
Grand Slam (tennis) champions in boys' singles
Grand Slam (tennis) champions in boys' doubles
Wimbledon junior champions
21st-century Czech sportsmen