Jonáš Forejtek
Czech tennis player (born 2001)
From Wikipedia, the free encyclopedia
Jonáš Forejtek (born 10 March 2001) is a professional tennis player from the Czech Republic.[1] 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 No. 300, achieved on 27 October 2025. He won the 2019 Junior singles US Open. He reached the ITF world No. 1 Junior combined ranking on 9 September 2019.
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Czech RepublicForejtek at the 2022 Wimbledon Championships | |
| Country (sports) | Czech Republic |
|---|---|
| Born | 10 March 2001 Plzeň, Czech Republic |
| Plays | Right-handed (two-handed backhand) |
| Coach | Sláva Doseděl |
| Prize money | $254,661 |
| Singles | |
| Career record | 3–1 |
| Career titles | 0 |
| Highest ranking | No. 217 (1 August 2022) |
| Current ranking | No. 312 (13 July 2026) |
| Grand Slam singles results | |
| Wimbledon | Q1 (2022) |
| US Open | Q1 (2022) |
| Doubles | |
| Career record | 0–1 |
| Career titles | 5 Challenger |
| Highest ranking | No. 300 (27 October 2025) |
| Current ranking | No. 383 (13 July 2026) |
| Team competitions | |
| Davis Cup | 2–0 |
| Last updated on: 15 July 2026. | |
Forejtek has reached ten career singles finals, with a record of 5 wins and 5 losses all on the ITF Futures Tour. Additionally, he has reached ten career doubles finals, with a record of 8 wins and 2 losses which includes a 5–1 record in ATP Challenger Tour 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 won the boys' doubles title beating Americans Emilio Nava and Cannon Kingsley 7–6(7–5), 6–4 in the finals. At the 2019 Wimbledon Championships he partnered with another compatriot Jiří Lehečka capturing his second boys' grand slam doubles title, defeating Govind Nanda and Liam Draxl 7–5, 6–4 in the championship match. At the 2019 US Open, he defeated Emilio Nava 6–7(4–7), 6–0, 6–2 in the final to win the boys’ singles championship.[2]
Forejtek was the World No. 1 male junior player according to the ITF combined singles and doubles junior rankings, achieved on 9 September 2019.[3]
Professional career
2019
As wildcard entrants, Forejtek and fellow Czech Michael Vrbenský won the doubles title at the 2019 Svijany Open challenger tournament in Liberec, 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 and Antonio Šančić 6–4, 6–3 in the final.
2020–2021: ATP, top 300 debut in singles
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 in the first round, losing just 5 games. He was then defeated by another former top 10 player Richard Gasquet 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.
2025: Challenger 125 title, top 300 in doubles
Forejtek won his biggest ATP Challenger doubles title at the 2025 Copa Sevilla with Dominik Kellovský.[4]
Junior Grand Slam finals
Singles: 1 (1 title)
| Result | Year | Tournament | Surface | Opponent | Score |
|---|---|---|---|---|---|
| Win | 2019 | US Open | Hard |  Emilio Nava |
6–7(4–7), 6–0, 6–2 |
Doubles: 2 (2 titles)
| Result | Year | Tournament | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|
| Win | 2019 | Australian Open | Hard | Dalibor Svrčina |
Cannon Kingsley Emilio Nava |
7–6(7–5), 6–4 |
| Win | 2019 | Wimbledon | Grass | Jiří Lehečka |
 Liam Draxl Govind Nanda |
7–5, 6–4 |
ATP Challenger and ITF Tour finals
Singles: 11 (5–6)
|
|
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
|---|---|---|---|---|---|---|---|
| Loss | 0–1 | Nov 2018 | Czech Republic F9, Valašské Meziříčí | Futures | Hard |  Karol Drzewiecki |
3–6, 4–6 |
| Loss | 0–2 | Apr 2019 | M15 Antalya, Turkey | World Tennis Tour | Clay |  Christopher O'Connell |
6–2, 4–6, 1–6 |
| Win | 1–2 | Aug 2019 | M25 Vogau, Austria | World Tennis Tour | Clay |  Camilo Ugo Carabelli |
7–6(9–7), 4–6, 6–4 |
| Loss | 1–3 | Jan 2020 | M25 Nussloch, Germany | World Tennis Tour | Carpet |  Ruben Bemelmans |
7–6(7–4), 6–7(3–7), 2–6 |
| Win | 2–3 | Feb 2020 | M15 Antalya, Turkey | World Tennis Tour | Clay |  Nikolás Sánchez Izquierdo |
6–4, 6–3 |
| Win | 3–3 | Sep 2023 | M15 Buschhausen, Germany | World Tennis Tour | Clay |  Louis Wessels |
6–4, 6–3 |
| Loss | 3–4 | Sep 2023 | M25 Pardubice, Czech Republic | World Tennis Tour | Clay | Louis Wessels |
4–6, 6–4, 3–6 |
| Loss | 3–5 | Jan 2024 | M25 Esch-sur-Alzette, Luxembourg | World Tennis Tour | Hard |  Jacob Fearnley |
4–6, 4–6 |
| Win | 4–5 | May 2025 | M15 Kursumlijska Banja, Serbia | World Tennis Tour | Clay |  Branko Đurić |
6–2, 6–2 |
| Win | 5–5 | Jul 2025 | M25 Kassel, Germany | World Tennis Tour | Clay | Carlos Sánchez Jover |
6–2, 6–3 |
| Loss | 5–6 | Jul 2025 | M25 Ollersbach, Austria | World Tennis Tour | Clay |  Viacheslav Bielinskyi |
6–7(6–8), 6–7(3–7) |
Doubles: 12 (9–3)
|
|
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|---|
| Loss | 0–1 | Oct 2018 | Czech Republic F7, Liberec | Futures | Carpet | Jan Mertl |
Marek Gengel Petr Nouza |
6–2, 3–6, [3–10] |
| Win | 1–1 | Aug 2019 | Liberec, Czech Republic | Challenger | Clay | Michael Vrbenský |
Nikola Ćaćić Antonio Šančić |
6–4, 6–3 |
| Win | 2–1 | Aug 2019 | M25 Vogau, Austria | World Tennis Tour | Clay | Jan Mertl |
Vít Kopřiva Jaroslav Pospíšil |
6–4, 7–5 |
| Win | 3–1 | Sep 2019 | M25+H Říčany, Czech Republic | World Tennis Tour | Clay | Michael Vrbenský |
 Niels Lootsma Petr Nouza |
7–6(7–4), 7–6(7–5) |
| Win | 4–1 | Mar 2020 | M25 Antalya, Turkey | World Tennis Tour | Clay | Michael Vrbenský |
 Fábián Marozsán Péter Nagy |
6–3, 6–4 |
| Win | 5–1 | Aug 2021 | Prague, Czech Republic | Challenger | Clay | Michael Vrbenský |
 Evgeny Karlovskiy Evgenii Tiurnev |
6-1, 6-4 |
| Loss | 5–2 | Jan 2022 | Forlì, Italy | Challenger | Hard (i) | Jelle Sels |
 Victor Vlad Cornea Fabian Fallert |
4–6, 7–6(8–6), [7–10] |
| Win | 6–2 | Jul 2024 | Liberec, Czech Republic | Challenger | Clay | Michael Vrbenský |
 Miloš Karol Tomáš Lánik |
7–5, 6–7(5–7), [10–4] |
| Win | 7–2 | Jan 2025 | Nottingham, UK | Challenger | Hard (i) | Michael Vrbenský |
Jiří Barnát Filip Duda |
7–6(7–5), 7–6(7–5) |
| Win | 8–2 | May 2025 | M15 Kuršumlijska Banja, Serbia | World Tennis Tour | Clay |  Sean Cuenin |
 Dinko Dinev Dian Nedev |
6–2, 6–2 |
| Win | 9–2 | Sep 2025 | Seville, Spain | Challenger | Clay | Dominik Kellovský |
Mario Mansilla Díez Bruno Pujol Navarro |
2–6, 6–3, [10–5] |
| Loss | 9–3 | Mar 2026 | Zadar, Croatia | Challenger | Clay |  Simone Agostini |
 Gonzalo Escobar Nino Serdarušić |
1–6, 2–6 |
Performance timeline
| W | F | SF | QF | #R | RR | Q# | P# | DNQ | A | Z# | PO | G | S | B | NMS | NTI | P | NH |
Singles
Current through the 2020 Sofia Open
| Tournament | 2019 | 2020 | 2021 | 2022 | SR | W–L |
|---|---|---|---|---|---|---|
| Grand Slam tournaments | ||||||
| Australian Open | A | A | A | 0 / 0 | 0–0 | |
| French Open | A | A | A | 0 / 0 | 0–0 | |
| Wimbledon | A | NH | A | Q1 | 0 / 0 | 0–0 |
| US Open | A | A | A | Q1 | 0 / 0 | 0–0 |
| Win–loss | 0–0 | 0–0 | 0–0 | 0–0 | 0 / 0 | 0-0 |
| National representation | ||||||
| Olympic Games | Not Held | A | NH | 0 / 0 | 0–0 | |
| Davis Cup | Z1 | RR | A | 0 / 1 | 2–0 | |
| Career statistics | ||||||
| 2019 | 2020 | 2021 | 2022 | Career | ||
| Tournaments | 0 | 1 | 0 | 1 | ||
| Titles–Finals | 0–0 | 0–0 | 0–0 | 0–0 | ||
| Overall win–loss | 2–0 | 1–1 | 0–0 | 3–1 | ||
| Year-end ranking | 536 | 362 | 304 | 261 | 75% | |
