Jang Su-jeong (; born 13 March 1995) is a South Korean professional tennis player. On 11 July 2022, she achieved a career-high singles ranking of world No. 114. On 22 May 2023, she peaked at No. 82 in the WTA doubles rankings.

Jang has won one singles and one doubles title on the WTA Challenger Tour. She has also won 12 tournaments in singles and 17 in doubles on the ITF Circuit.

Playing for South Korea in the Billie Jean King Cup, Jang has a win-loss record of 18–11 as of February 2025.

Career Jang won her first ITF Circuit title in Bundaberg, Australia in March 2013, winning the doubles tournament alongside Lee So-ra, defeating Miki Miyamura and Varatchaya Wongteanchai in the final in three sets.

At the 2013 Korea Open she reached the quarterfinals with a three-set win over Ons Jabeur Jang lost in the last eight to Lara Arruabarrena.

Jang reached her maiden WTA 125 final at the 2017 Hawaii Open, losing to top seed Zhang Shuai in three sets.

She qualified into the singles main draw of the 2022 Australian Open for her major debut, losing in the first round to Danka Kovinić.

Jang won her first WTA 125 title at the 2022 Swedish Open when she defeated Rebeka Masarova in the final.

Alongside You Xiaodi, Jang reached the final at the WTA 125 2022 Argentina Open, losing to Sara Errani and Irina Bara.

Playing with Han Na-lae, she won the doubles title at the WTA 125 2023 Veneto Open, defeating Weronika Falkowska and Katarzyna Piter in the final.

With Eri Hozumi, Jang was runner-up in the doubles at the 2023 Swedish Open, losing to Misaki Doi and Rebecca Peterson in the final.

At the 2023 Korea Open, she defeated fifth seed Sofia Kenin in the first round to record her first win against a top 30 ranked player. Jang lost her next match to Emina Bektas.

Performance timeline

Only main-draw results in WTA Tour, Grand Slam tournaments, Billie Jean King Cup, United Cup, Hopman Cup and Olympic Games are included in win–loss records.

Singles Current through the 2024 US Open. Tournament201320142015201620172018201920202021202220232024Grand Slam tournamentsAustralian OpenAAAQ1Q2Q1AAA1RQ2Q20–1French OpenAAAAQ3Q1AAAQ1Q1A0–0WimbledonAAQ1AQ1AAAAQ3Q1A0–0US OpenAQ1AQ1Q3Q1AAAQ1Q2Q30–0Win–loss0–00–00–00–00–00–00–00–00–00–10–00–00–1WTA 1000Qatar OpenAAAAAAAAAAAA0–0Dubai OpenAAAAAAAAAAQ2A0–0Career statisticsTournaments1123420002116Overall win-loss2–11–21–43–62–40–22–13–20–03–21–118–25

WTA 125 finals Singles: 2 (1 title, 1 runner-up) ResultW–LDateTournamentSurfaceOpponentScoreLoss0–1Hawaii Open, United StatesHard Zhang Shuai6–0, 2–6, 3–6Win1–1Bastad Open, SwedenClay Rebeka Masarova3–6, 6–3, 6–1

Doubles: 3 (1 title, 2 runner-ups) ResultW–LDateTournamentSurfacePartnerOpponentsScoreLoss 0–1 Nov 2022Buenos Aires Open, Argentina Clay You Xiaodi Irina Bara Sara Errani 1–6, 5–7Win 1–1 Veneto Open, Italy Grass Han Na-lae Weronika Falkowska Katarzyna Piter 6–3, 3–6, [10–6]Loss 1–2 Bastad Open, Sweden Clay Eri Hozumi Irina Khromacheva Panna Udvardy 6–4, 3–6, [5–10]

ITF Circuit finals Singles: 31 (12 titles, 19 runner-ups) Legend$50/60,000 tournaments (2–5)$40/50,000 tournaments$25,000 tournaments (5–9)$10/15,000 tournaments (5–5)Finals by surfaceHard (7–14)Clay (3–4)Grass (2–0)Carpet (0–1) ResultW–LDateTournamentTierSurfaceOpponentScoreLoss 0–1 Apr 2012ITF Andijan, Uzbekistan10,000 Hard Sabina Sharipova 2–6, 4–6Loss 0–2 Jul 2012ITF Pattaya, Thailand10,000 Hard Nungnadda Wannasuk 4–6, 6–4, 4–6Win 1–2 Feb 2014ITF Salisbury, Australia15,000 Hard Wang Yafan 6–3, 7–6(6)Win 2–2 Mar 2014ITF Mildura, Australia15,000 Grass Alison Bai 6–1, 6–3Win 3–2 May 2014ITF Karuizawa, Japan25,000 Grass Arina Rodionova 6–3, 6–4Win 4–2 Feb 2015ITF Clare, Australia15,000 Hard Pia König 6–3, 6–3Loss 4–3 Mar 2015ITF Port Pirie, Australia15,000 Hard Han Na-lae 6–3, 4–6, 2–6Win 5–3 Mar 2015ITF Bangkok, Thailand15,000 Hard Miyabi Inoue 6–2, 6–4Loss 5–4 May 2015ITF Nanning, China25,000 Hard Hsieh Su-wei 2–6, 3–6Loss 5–5 May 2015Seoul Open, South Korea50,000 Hard Riko Sawayanagi 4–6, 4–6Loss 5–6 Aug 2015ITF Tsukuba, Japan25,000 Hard Lee Ya-hsuan 3–6, 3–6Loss 5–7 Feb 2016ITF Perth, Australia25,000 Hard Jaimee Fourlis 4–6, 6–2, 6–7(1)Win 6–7 Apr 2016ITF Kashiwa, Japan25,000 Hard Wang Yafan 6–4, 1–6, 6–3Loss 6–8 Jun 2016ITF Tokyo, Japan25,000 Hard Akiko Omae 2–6, 1–6Loss 6–9 Oct 2016ITF Iizuka Japan25,000 Hard Chang Kai-chen 3–6, 4–6Loss 6–10 Oct 2016Liuzhou Open, China50,000 Hard Nina Stojanović 3–6, 4–6Loss 6–11 Apr 2017ITF Kashiwa, Japan25,000 Hard Mai Minokoshi 6–3, 2–6, 4–6Loss 6–12 May 2017Fukuoka International, Japan60,000 Carpet Magdaléna Rybáriková 2–6, 3–6Win 7–12 Jul 2019ITF Nonthaburi, Thailand25,000 Hard Xun Fangying 6–1, 2–6, 6–4Loss 7–13 Aug 2019ITF Guiyang, China25,000 Hard Aleksandrina Naydenova 4–6, 2–6Loss 7–14 Mar 2021ITF Antalya, TurkeyW15 Clay Nuria Brancaccio 5–7, 4–6Win 8–14 Mar 2021ITF Antalya, TurkeyW15 Clay Mai Hontama 4–6, 6–3, 6–2Loss 8–15 Apr 2021ITF Oeiras, PortugalW25 Clay Anhelina Kalinina 4–6, 6–4, 4–6Win 9–15 Aug 2021ITF Oldenzaal, NetherlandsW25 Clay Malene Helgø 6–3, 6–2Win 10–15 Apr 2022Clay Court International, AustraliaW60 Clay Yuki Naito 6–7(3), 6–1, 6–4Loss 10–16 Oct 2022Toronto Challenger, CanadaW60 Clay Robin Anderson 2–6, 4–6Win 11–16 Mar 2023Nur-Sultan Challenger, KazakhstanW60 Hard (i) Moyuka Uchijima 6–1, 6–4Win Apr 2023Kōfu International Open, JapanW25 Hard Han Na-lae 2–6, 6–3, 6–2Loss 12–17 Apr 2023ITF Kashiwa, JapanW25 Hard Nao Hibino 4–6, 3–6Loss 12–18 Jun 2024ITS Cup Olomouc, Czech RepublicW75 Clay Anna Bondár 3–6, 6–7(4)Loss12–19Aug 2026ITF Astana, Kazakhstan W15Hard Asylzhan Arystanbekova3–6, 1–6

Doubles: 30 (18 titles, 12 runner-ups) Legend$100,000 tournaments (2–1)$80,000 tournaments (1–0)$60/75,000 tournaments (3–2)$40,000 tournaments (0–1)$25/35,000 tournaments (8–3)$10/15,000 tournaments (4–5)Finals by surfaceHard (12–9)Clay (4–3)Grass (2–0) ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreLoss 0–1 Sep 2012ITF Yeongwol, South Korea10,000 Hard Han Na-lae Kim Sun-jung Yu Min-hwa 3–6, 5–7Win 1–1 Mar 2013ITF Bundaberg, Australia25,000 Clay Lee So-ra Miki Miyamura Varatchaya Wongteanchai 7–6(4), 4–6, [10–8]Loss 1–2 Jun 2013ITF Gimcheon, South Korea10,000 Hard Riko Sawayanagi Kim Na-ri Lee Ye-ra 3–6, 3–6Loss 1–3 Jun 2013ITF Gimcheon, South Korea10,000 Hard Riko Sawayanagi Kang Seo-kyung Kim Ji-young 5–7, 1–6Loss 1–4 Feb 2014ITF Salisbury, Australia15,000 Hard Lee So-ra Misa Eguchi Miki Miyamura 2–6, 1–6Win 2–4 Mar 2014ITF Mildura, Australia15,000 Grass Lee So-ra Jessica Moore Aleksandrina Naydenova 6–1, 1–6, [10–4]Loss 2–5 Jun 2014ITF Lenzerheide, Switzerland25,000 Clay Justyna Jegiołka Louisa Chirico Sanaz Marand 3–6, 4–6Win 3–5 Mar 2015ITF Bangkok, Thailand15,000 Hard Vojislava Lukić Chanel Simmonds Emily Webley-Smith 6–4, 6–4Loss 3–6 Apr 2015ITF Shenzhen, China25,000 Hard Han Na-lae Noppawan Lertcheewakarn Lu Jiajing 4–6, 5–7Win 4–6 Jul 2015ITF Zhengzhou, China25,000 Hard Han Na-lae Liu Chang Zhang Ling 6–3, 6–0Win 5–6 Sep 2015ITF Noto, Japan25,000 Hard Lee So-ra Chiaki Okadaue Kyōka Okamura 6–3, 2–6, [10–8]Loss 5–7 Feb 2016ITF Perth, Australia25,000 Hard Han Na-lae Tammi Patterson Katarzyna Piter 6–4, 2–6, [3–10]Win 6–7 Apr 2017ITF Kashiwa, Japan25,000 Hard Lee Ya-hsuan Han Na-lae Peangtarn Plipuech 6–3, 3–6, [10–4]Win 7–7 Aug 2019ITF Huangshan, China25,000 Hard Kim Na-ri Eudice Chong Ye Qiuyu 7–5, 6–1Loss 7–8 Mar 2021ITF Antalya, TurkeyW15 Clay Park So-hyun Jessie Aney Ingrid Martins 2–6, 2–6Win 8–8 Mar 2021ITF Antalya, TurkeyW15 Clay Sina Herrmann Anastasia Dețiuc Darja Viďmanová w/oWin 9–8 Apr 2021ITF Antalya, TurkeyW15 Clay Lee So-ra María Paulina Pérez María Portillo Ramírez 6–2, 2–6, [10–7]Win 10–8 Jul 2021ITF Kyiv, UkraineW25 Hard Bojana Marinković Ali Collins Andrea Gámiz 3–6, 6–4, [10–7]Loss 10–9 Aug 2021Kozerki Open, PolandW60 Clay Lee Ya-hsuan Bárbara Gatica Rebeca Pereira 3–6, 1–6Win 11–9 Mar 2022Clay Court International, AustraliaW60 Clay Han Na-lae Yuki Naito Moyuka Uchijima 3–6, 6–2, [10–5]Win 12–9 Jun 2022 Ilkley Trophy, UK W100 Grass Lizette Cabrera Naiktha Bains Maia Lumsden 6–7(7), 6–0, [11–9]Loss 12–10 Aug 2022 Landisville Challenge, US W100 Hard Han Na-lae Sophie Chang Anna Danilina 6–2, 6–7(4), [9–11]Win 13–10 Oct 2022Toronto Challenger, CanadaW60 Hard (i) Michaela Bayerlová Elysia Bolton Jamie Loeb 6–3, 6–2Loss 13–11 Mar 2023Nur-Sultan Challenger, KazakhstanW40 Hard (i) Han Na-lae Anna Danilina Iryna Shymanovich 4–6, 7–6(8), [7–10]Loss Mar 2023Nur-Sultan Challenger 2W60 Hard (i) Han Na-lae Polina Kudermetova Anastasia Tikhonova 6–2, 3–6, [7–10]Win 14–12 Apr 2023Kōfu International Open, JapanW25 Hard Han Na-lae Georgina García Pérez Eri Hozumi 6–0, 6–4Win 15–12 May 2023Kangaroo Cup, JapanW80 Hard Han Na-lae Lee Ya-hsuan Wu Fang-hsien 7–6(3), 2–6, [10–8]Win 16–12 Apr 2024Tokyo Open, JapanW100 Hard Kimberly Birrell Aleksandra Krunić Arina Rodionova 7–5, 3–6, [10–8]Win 17–12 Jan 2025ITF Nonthaburi, ThailandW75 Hard Zheng Wushuang Rutuja Bhosale Eudice Chong 4–6, 6–0, [10–6]Win 18–12 May 2026ITF Andong, South KoreaW35 Hard Back Da-yeon Jeong Bo-young Park So-hyun 6–4, 6–3

Notes

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