Jana Fett

Jana Fett (; born 2 November 1996) is a Croatian inactive tennis player. On 30 October 2017, Fett reached her best singles ranking of world No. 97, and on 21 May 2018, she set her highest doubles ranking of No. 348. Fett has won nine singles and five doubles titles on the ITF Women's Circuit.

Career 2014–2015 On the ITF Junior Circuit, Fett had a career-high ranking of No. 12, which she achieved on 24 February 2014. She was the runner-up at the 2014 Australian Open girls' singles event, wherein she fell to Elizaveta Kulichkova in the final.

Fett's biggest title to date was at the 2015 Dunlop World Challenge, where she won the singles title defeating Luksika Kumkhum in the final.

2017: WTA Tour debut, two semifinals, and top 100 At the 2017 Hobart International, she qualified for her first main draw of a WTA tournament. She reached her first WTA Tour semifinal but lost to eventual champion and fellow qualifier, Elise Mertens.

Later in the year, she reached her second semifinal at the Japan Women's Open, again coming through qualifying, while also scoring her first victory over a top-20 player, the top seed Kristina Mladenovic. She lost to fellow qualifier Miyu Kato, after failing to convert a match point. As a result, she made her top 100 debut on 18 September 2017.

2018: Major debut and first win At the 2018 Australian Open, she appeared in the main draw of a Grand Slam tournament for the first time as a direct entry and recorded her first major win over Misa Eguchi. In the second round, she played against second seed Caroline Wozniacki and had two match points, leading 40/15 at 5–1 in the third set. However, she lost that game and the successive five games to yield the match to the eventual tournament champion.

2022–2024: WTA 125 final, Roland Garros & WTA 1000 debuts She qualified for the main draw of the 2022 Wimbledon Championships after three years of absence at the All England Club where she lost to world No. 1, Iga Świątek.

She reached the final at the WTA 125 2023 Midland Tennis Classic but lost to first-time WTA Challenger titlist Anna Kalinskaya.

In April 2024, Fett won the biggest title in her career at the W100 Oeiras Open. On her debut at the French Open, she entered the main draw as a lucky loser and recorded a first round win over Jéssica Bouzas Maneiro, then losing her next match to Marie Bouzková.

At the Jasmin Open, Fett reached the second round defeating Mayar Sherif before losing to Sara Sorribes Tormo in three sets. The following week at the 2024 Thailand Open 2, she reached the quarterfinals, after defeating Zheng Saisai, and eighth seed Varvara Gracheva by retirement, before going out to eventual champion Rebecca Šramková.

She entered the main draw of the WTA 1000 China Open as a lucky loser making her debut at this level, and recorded her first WTA 1000 win over wildcard entrant Wang Meiling. Fett lost in the second round to ninth seed Daria Kasatkina.

2026: Anti-doping suspension In January, the International Tennis Integrity Agency (ITIA) announced that Fett had been provisionally suspended since 22 December 2025, after testing positive for three prohibited substances, namely ostarine, GW501516 and LGD-4033, while representing Croatia in the BJK Cup on 16 November 2025.

Grand Slam performance timeline

WTA 125 finals Singles: 1 runner-up ResultW–LDateTournamentSurfaceOpponentScoreLoss 0–1 Midland Tennis Classic, United States Hard (i) Anna Kalinskaya 5–7, 4–6

ITF Circuit finals Singles: 14 (9 titles, 5 runner-ups) LegendW100 tournaments (1–0)$75,000 tournaments (1–0)W60/75 tournaments (1–1)W25 tournaments (2–3)W10/15 tournaments (4–0)Finals by surfaceHard (5–3)Clay (3–1)Carpet (1–1)

Doubles: 10 (5 titles, 5 runner-ups) LegendW75 tournamentsW25 tournaments (2–3)W10 tournaments (3–2)Finals by surfaceHard (3–4)Clay (1–1)Carpet (1–0)

Fed Cup/Billie Jean King Cup participation Singles (0–6) EditionStageDateLocationAgainstSurfaceOpponentW/LScore 2019 Z1 R/R 7 February 2019 Bath (GBR) Georgia Hard (i) Ekaterine GorgodzeL 6–4, 3–6, 5–7 8 February 2019 Serbia Olga DanilovićL 6–2, 2–6, 6–7(7–9) Z1 P/O 9 February 2019 Hungary Réka Luca JaniL 6–3, 2–5 ret. 2020 Z1 R/R 5 February 2020 Tallinn (EST) Bulgaria Viktoriya TomovaL 2–6, 4–6 7 February 2020 Ukraine Elina SvitolinaL 3–6, 6–3, 1–6 Z1 P/O 8 February 2020 Italy Camila GiorgiL 6–7(4–7), 4–6

Doubles (3–1)

Head-to-head records Double bagel matches (6–0, 6–0)

Junior finals Grand Slam tournaments Girls' singles: 1 (runner–up) ResultYearTournamentSurfaceOpponentScoreLoss 2014 Australian Open Hard Elizaveta Kulichkova 2–6, 1–6