# Jang Su-jeong

Jang Su-jeong (Korean: 장수정; Hanja: 張修貞; 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.
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 Challenger 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 she 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 upset fifth seed Sofia Kenin in the first round to record her first win against a top 30 ranked player. She lost her next match to Emina Bektas.

## Performance timeline

Key :
| W | F | SF | QF | #R | RR | Q# | P# | DNQ | A | Z# | PO | G | S | B | NMS | NTI | P | NH |
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 2023 Thailand Open.
| Tournament | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | W–L |
| Grand Slam tournaments ||||||||||||||
| Australian Open | A | A | A | Q1 | Q2 | Q1 | A | A | A | 1R | Q2 | Q2 | 0–1 |
| French Open | A | A | A | A | Q3 | Q1 | A | A | A | Q1 | Q1 | A | 0–0 |
| Wimbledon | A | A | Q1 | A | Q1 | A | A | A | A | Q3 | Q1 | A | 0–0 |
| US Open | A | Q1 | A | Q1 | Q3 | Q1 | A | A | A | Q1 | Q2 | Q3 | 0–0 |
| Win–loss | 0–0 | 0–0 | 0–0 | 0–0 | 0–0 | 0–0 | 0–0 | 0–0 | 0–0 | 0–1 | 0–0 | | 0–1 |
| WTA 1000 ||||||||||||||
| Qatar Open | A | A | A | A | A | A | A | A | A | A | A | | 0–0 |
| Dubai | A | A | A | A | A | A | A | A | A | A | Q2 | | 0–0 |
| Career statistics ||||||||||||||
| Tournaments | 1 | 1 | 2 | 3 | 4 | 2 | 0 | 0 | 0 | 2 | 1 | | 16 |
| Overall win-loss | 2–1 | 1–2 | 1–4 | 3–6 | 2–4 | 0–2 | 2–1 | 3–2 | 0–0 | 3–2 | 1–1 | | 18–25 |

## WTA Challenger finals
### Singles: 2 (1 title, 1 runner–up)

| Result | W–L | Date | Tournament | Surface | Opponent | Score |
| Loss | 0–1 | Nov 2017 | Hawaii Open, United States | Hard | Zhang Shuai | 6–0, 2–6, 3–6 |
| Win | 1–1 | Jul 2022 | Bastad Open, Sweden | Clay | Rebeka Masarova | 3–6, 6–3, 6–1 |

### Doubles: 3 (1 title, 2 runner-ups)

| Result | W–L | Date | Tournament | Surface | Partner | Opponents | Score |
| Loss | 0–1 | Nov 2022 | Buenos Aires Open, Argentina | Clay | You Xiaodi | Irina Bara Sara Errani | 1–6, 5–7 |
| Win | 1–1 | Jun 2023 | Veneto Open, Italy | Grass | Han Na-lae | Weronika Falkowska Katarzyna Piter | 6–3, 3–6, [10–6] |
| Loss | 1–2 | Jul 2023 | Bastad Open, Sweden | Clay | Eri Hozumi | Irina Khromacheva Panna Udvardy | 6–4, 3–6, [5–10] |

## ITF Circuit finals
### Singles: 30 (12 titles, 18 runner–ups)

* Legend
* $50/60,000 tournaments (2–5)
* $40/50,000 tournaments
* $25,000 tournaments (5–9)
* $10/15,000 tournaments (5–4)
* Finals by surface
* Hard (7–13)
* Clay (3–4)
* Grass (2–0)
* Carpet (0–1)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Loss | 0–1 | Apr 2012 | ITF Andijan, Uzbekistan | 10,000 | Hard | Sabina Sharipova | 2–6, 4–6 |
| Loss | 0–2 | Jul 2012 | ITF Pattaya, Thailand | 10,000 | Hard | Nungnadda Wannasuk | 4–6, 6–4, 4–6 |
| Win | 1–2 | Feb 2014 | ITF Salisbury, Australia | 15,000 | Hard | Wang Yafan | 6–3, 7–6$^{(6)}$ |
| Win | 2–2 | Mar 2014 | ITF Mildura, Australia | 15,000 | Grass | Alison Bai | 6–1, 6–3 |
| Win | 3–2 | May 2014 | ITF Karuizawa, Japan | 25,000 | Grass | Arina Rodionova | 6–3, 6–4 |
| Win | 4–2 | Feb 2015 | ITF Clare, Australia | 15,000 | Hard | Pia König | 6–3, 6–3 |
| Loss | 4–3 | Mar 2015 | ITF Port Pirie, Australia | 15,000 | Hard | Han Na-lae | 6–3, 4–6, 2–6 |
| Win | 5–3 | Mar 2015 | ITF Bangkok, Thailand | 15,000 | Hard | Miyabi Inoue | 6–2, 6–4 |
| Loss | 5–4 | May 2015 | ITF Nanning, China | 25,000 | Hard | Hsieh Su-wei | 2–6, 3–6 |
| Loss | 5–5 | May 2015 | Seoul Open, South Korea | 50,000 | Hard | Riko Sawayanagi | 4–6, 4–6 |
| Loss | 5–6 | Aug 2015 | ITF Tsukuba, Japan | 25,000 | Hard | Lee Ya-hsuan | 3–6, 3–6 |
| Loss | 5–7 | Feb 2016 | ITF Perth, Australia | 25,000 | Hard | Jaimee Fourlis | 4–6, 6–2, 6–7$^{(1)}$ |
| Win | 6–7 | Apr 2016 | ITF Kashiwa, Japan | 25,000 | Hard | Wang Yafan | 6–4, 1–6, 6–3 |
| Loss | 6–8 | Jun 2016 | ITF Tokyo, Japan | 25,000 | Hard | Akiko Omae | 2–6, 1–6 |
| Loss | 6–9 | Oct 2016 | ITF Iizuka Japan | 25,000 | Hard | Chang Kai-chen | 3–6, 4–6 |
| Loss | 6–10 | Oct 2016 | Liuzhou Open, China | 50,000 | Hard | Nina Stojanović | 3–6, 4–6 |
| Loss | 6–11 | Apr 2017 | ITF Kashiwa, Japan | 25,000 | Hard | Mai Minokoshi | 6–3, 2–6, 4–6 |
| Loss | 6–12 | May 2017 | Fukuoka International, Japan | 60,000 | Carpet | Magdaléna Rybáriková | 2–6, 3–6 |
| Win | 7–12 | Jul 2019 | ITF Nonthaburi, Thailand | 25,000 | Hard | Xun Fangying | 6–1, 2–6, 6–4 |
| Loss | 7–13 | Aug 2019 | ITF Guiyang, China | 25,000 | Hard | Aleksandrina Naydenova | 4–6, 2–6 |
| Loss | 7–14 | Mar 2021 | ITF Antalya, Turkey | W15 | Clay | Nuria Brancaccio | 5–7, 4–6 |
| Win | 8–14 | Mar 2021 | ITF Antalya, Turkey | W15 | Clay | Mai Hontama | 4–6, 6–3, 6–2 |
| Loss | 8–15 | Apr 2021 | ITF Oeiras, Portugal | W25 | Clay | Anhelina Kalinina | 4–6, 6–4, 4–6 |
| Win | 9–15 | Aug 2021 | ITF Oldenzaal, Netherlands | W25 | Clay | Malene Helgø | 6–3, 6–2 |
| Win | 10–15 | Apr 2022 | Clay Court International, Australia | W60 | Clay | Yuki Naito | 6–7$^{(3)}$, 6–1, 6–4 |
| Loss | 10–16 | Oct 2022 | Toronto Challenger, Canada | W60 | Clay | Robin Anderson | 2–6, 4–6 |
| Win | 11–16 | Mar 2023 | Nur-Sultan Challenger, Kazakhstan | W60 | Hard (i) | Moyuka Uchijima | 6–1, 6–4 |
| Win | 12–16 | Apr 2023 | Kōfu International Open, Japan | W25 | Hard | Han Na-lae | 2–6, 6–3, 6–2 |
| Loss | 12–17 | Apr 2023 | ITF Kashiwa, Japan | W25 | Hard | Nao Hibino | 4–6, 3–6 |
| Loss | 12–18 | Jun 2024 | ITS Cup Olomouc, Czech Republic | W75 | Clay | Anna Bondár | 3–6, 6–7$^{(4)}$ |

### Doubles: 29 (17 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)
* $25,000 tournaments (7–3)
* $10/15,000 tournaments (4–5)
* Finals by surface
* Hard (11–9)
* Clay (4–3)
* Grass (2–0)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Loss | 0–1 | Sep 2012 | ITF Yeongwol, South Korea | 10,000 | Hard | Han Na-lae | Kim Sun-jung Yu Min-hwa | 3–6, 5–7 |
| Win | 1–1 | Mar 2013 | ITF Bundaberg, Australia | 25,000 | Clay | Lee So-ra | Miki Miyamura Varatchaya Wongteanchai | 7–6$^{(4)}$, 4–6, [10–8] |
| Loss | 1–2 | Jun 2013 | ITF Gimcheon, South Korea | 10,000 | Hard | Riko Sawayanagi | Kim Na-ri Lee Ye-ra | 3–6, 3–6 |
| Loss | 1–3 | Jun 2013 | ITF Gimcheon, South Korea | 10,000 | Hard | Riko Sawayanagi | Kang Seo-kyung Kim Ji-young | 5–7, 1–6 |
| Loss | 1–4 | Feb 2014 | ITF Salisbury, Australia | 15,000 | Hard | Lee So-ra | Misa Eguchi Miki Miyamura | 2–6, 1–6 |
| Win | 2–4 | Mar 2014 | ITF Mildura, Australia | 15,000 | Grass | Lee So-ra | Jessica Moore Aleksandrina Naydenova | 6–1, 1–6, [10–4] |
| Loss | 2–5 | Jun 2014 | ITF Lenzerheide, Switzerland | 25,000 | Clay | Justyna Jegiołka | Louisa Chirico Sanaz Marand | 3–6, 4–6 |
| Win | 3–5 | Mar 2015 | ITF Bangkok, Thailand | 15,000 | Hard | Vojislava Lukić | Chanel Simmonds Emily Webley-Smith | 6–4, 6–4 |
| Loss | 3–6 | Apr 2015 | ITF Shenzhen, China | 25,000 | Hard | Han Na-lae | Noppawan Lertcheewakarn Lu Jiajing | 4–6, 5–7 |
| Win | 4–6 | Jul 2015 | ITF Zhengzhou, China | 25,000 | Hard | Han Na-lae | Liu Chang Zhang Ling | 6–3, 6–0 |
| Win | 5–6 | Sep 2015 | ITF Noto, Japan | 25,000 | Hard | Lee So-ra | Chiaki Okadaue Kyōka Okamura | 6–3, 2–6, [10–8] |
| Loss | 5–7 | Feb 2016 | ITF Perth, Australia | 25,000 | Hard | Han Na-lae | Tammi Patterson Katarzyna Piter | 6–4, 2–6, [3–10] |
| Win | 6–7 | Apr 2017 | ITF Kashiwa, Japan | 25,000 | Hard | Lee Ya-hsuan | Han Na-lae Peangtarn Plipuech | 6–3, 3–6, [10–4] |
| Win | 7–7 | Aug 2019 | ITF Huangshan, China | 25,000 | Hard | Kim Na-ri | Eudice Chong Ye Qiuyu | 7–5, 6–1 |
| Loss | 7–8 | Mar 2021 | ITF Antalya, Turkey | W15 | Clay | Park So-hyun | Jessie Aney Ingrid Martins | 2–6, 2–6 |
| Win | 8–8 | Mar 2021 | ITF Antalya, Turkey | W15 | Clay | Sina Herrmann | Anastasia Dețiuc Darja Viďmanová | w/o |
| Win | 9–8 | Apr 2021 | ITF Antalya, Turkey | W15 | Clay | Lee So-ra | María Paulina Pérez María Portillo Ramírez | 6–2, 2–6, [10–7] |
| Win | 10–8 | Jul 2021 | ITF Kyiv, Ukraine | W25 | Hard | Bojana Marinković | Ali Collins Andrea Gámiz | 3–6, 6–4, [10–7] |
| Loss | 10–9 | Aug 2021 | Kozerki Open, Poland | W60 | Clay | Lee Ya-hsuan | Bárbara Gatica Rebeca Pereira | 3–6, 1–6 |
| Win | 11–9 | Mar 2022 | Clay Court International, Australia | W60 | 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)}$, 6–0, [11–9] |
| Loss | 12–10 | Aug 2022 | Landisville Challenge, United States | W100 | Hard | Han Na-lae | Sophie Chang Anna Danilina | 6–2, 6–7$^{(4)}$, [9–11] |
| Win | 13–10 | Oct 2022 | Toronto Challenger, Canada | W60 | Hard (i) | Michaela Bayerlová | Elysia Bolton Jamie Loeb | 6–3, 6–2 |
| Loss | 13–11 | Mar 2023 | Nur-Sultan Challenger, Kazakhstan | W40 | Hard (i) | Han Na-lae | Anna Danilina Iryna Shymanovich | 4–6, 7–6$^{(8)}$, [7–10] |
| Loss | 13–12 | Mar 2023 | Nur-Sultan Challenger 2, Kazakhstan | W60 | Hard (i) | Han Na-lae | Polina Kudermetova Anastasia Tikhonova | 6–2, 3–6, [7–10] |
| Win | 14–12 | Apr 2023 | Kōfu International Open, Japan | W25 | Hard | Han Na-lae | Georgina García Pérez Eri Hozumi | 6–0, 6–4 |
| Win | 15–12 | May 2023 | Kangaroo Cup, Japan | W80 | Hard | Han Na-lae | Lee Ya-hsuan Wu Fang-hsien | 7–6$^{(3)}$, 2–6, [10–8] |
| Win | 16–12 | Apr 2024 | Tokyo Open, Japan | W100 | Hard | Kimberly Birrell | Aleksandra Krunić Arina Rodionova | 7–5, 3–6, [10–8] |
| Win | 17–12 | Jan 2025 | ITF Nonthaburi 2, Thailand | W75 | Hard | Zheng Wushuang | Rutuja Bhosale Eudice Chong | 4–6, 6–0, [10–6] |