1. Early Life and Background
Jang Su-jeong was born on March 13, 1995, in Busan, South Korea. She is a South Korean national. She plays right-handed with a two-handed backhand.
2. Professional Career
Jang Su-jeong's professional tennis journey includes significant achievements on the ITF Circuit, participation in Grand Slam tournaments, success on the WTA Challenger Tour, and representation of her country in team competitions.
2.1. Early Career
Jang began her professional career around 2012. Her first significant professional title came in March 2013, when she won the doubles tournament at an ITF Circuit event in Bundaberg, Australia. Partnering with fellow South Korean player Lee So-ra, they defeated the team of Miki Miyamura and Varatchaya Wongteanchai in a three-set final. Later that year, at the 2013 Korea Open, a WTA Tour event, Jang made a notable run to the quarterfinals in singles. She secured a three-set victory over Ons Jabeur before being defeated by Lara Arruabarrena in the last eight.
2.2. Grand Slam Tournaments
Jang Su-jeong has participated in the qualifying rounds of all four major Grand Slam tournaments. Her main draw debut at a major came at the 2022 Australian Open, where she qualified for the singles main draw. In her first-round match, she was defeated by Danka Kovinić.
Jang Su-jeong's performance in Grand Slam and WTA 1000 tournaments is summarized below.
2.3. Singles
| Tournament | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | Win-loss |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 0-1 | ||||||||||||
| 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 | |
Overall, her main draw win-loss record in Grand Slam singles is 0-1.
2.4. WTA Tour and Challenger Tournaments
Jang Su-jeong has achieved notable success on the WTA Tour and its secondary circuit, the WTA Challenger Tour. She has won one singles title and one doubles title at the WTA 125 level, and has also reached multiple finals.
In singles, Jang claimed her first WTA Challenger title at the 2022 Swedish Open (also known as the Bastad Open), where she defeated Rebeka Masarova in the final with a score of 3-6, 6-3, 6-1. She also reached a WTA Challenger singles final at the 2017 Hawaii Open, where she finished as runner-up to Zhang Shuai, losing 6-0, 2-6, 3-6.
In doubles, Jang has reached three WTA Challenger finals, securing one title. In June 2023, she won the doubles title at the 2023 Veneto Open in Italy, partnering with Han Na-lae. They defeated the Polish pair of Weronika Falkowska and Katarzyna Piter with a score of 6-3, 3-6, [10-6]. Her runner-up finishes include the 2022 WTA Argentina Open in November 2022, where she and partner You Xiaodi lost to Irina Bara and Sara Errani 1-6, 5-7. In July 2023, she was also a runner-up at the 2023 Swedish Open, partnering with Eri Hozumi, losing to Irina Khromacheva and Panna Udvardy 6-4, 3-6, [5-10].
On the main WTA Tour, at the 2023 Korea Open, Jang achieved a significant upset victory in the first round by defeating the fifth seed, Sofia Kenin. This marked her first career win against a top-30 ranked player. However, she was subsequently defeated by Emina Bektas in her next match. She has also made an appearance in the qualifying rounds of a WTA 1000 event, reaching the second qualifying round at the 2023 Dubai Tennis Championships.
2.4.1. WTA Challenger Finals: Singles
| Result | W-L | Date | Tournament | Surface | Opponent | Score |
|---|---|---|---|---|---|---|
| Loss | 0-1 | November 2017 | Hawaii Open, United States | Hard | Zhang Shuai | 6-0, 2-6, 3-6 |
| Win | 1-1 | July 2022 | Bastad Open, Sweden | Clay | Rebeka Masarova | 3-6, 6-3, 6-1 |
2.4.2. WTA Challenger Finals: Doubles
| Result | W-L | Date | Tournament | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|
| Loss | 0-1 | November 2022 | Buenos Aires Open, Argentina | Clay | You Xiaodi | Irina Bara Sara Errani | 1-6, 5-7 |
| Win | 1-1 | June 2023 | Veneto Open, Italy | Grass | Han Na-lae | Weronika Falkowska Katarzyna Piter | 6-3, 3-6, [10-6] |
| Loss | 1-2 | July 2023 | Bastad Open, Sweden | Clay | Eri Hozumi | Irina Khromacheva Panna Udvardy | 6-4, 3-6, [5-10] |
2.5. ITF Circuit
Jang Su-jeong has an extensive record on the ITF Women's World Tennis Tour, accumulating a significant number of titles in both singles and doubles. She has won 12 singles titles and finished as runner-up 18 times in singles finals. In doubles, she has won 17 titles and been a runner-up on 12 occasions.
Her singles titles span various surfaces and tournament tiers. Notable singles victories include:
- February 2014: ITF Salisbury, Australia (Hard)
- March 2014: ITF Mildura, Australia (Grass)
- May 2014: ITF Karuizawa, Japan (Grass)
- April 2016: ITF Kashiwa, Japan (Hard)
- April 2022: ACT Clay Court International 2, Australia (Clay, W60 tier)
- March 2023: Nur-Sultan Challenger, Kazakhstan (Hard, W60 tier)
- April 2023: Kōfu International Open, Japan (Hard, W25 tier)
In doubles, her 17 titles also demonstrate her versatility across surfaces. Key doubles titles include:
- March 2013: ITF Bundaberg, Australia (Clay), her first ITF title.
- March 2014: ITF Mildura, Australia (Grass)
- July 2015: ITF Zhengzhou, China (Hard)
- March 2022: ACT Clay Court International 1, Australia (Clay, W60 tier)
- June 2022: Ilkley Trophy, UK (Grass, W100 tier)
- October 2022: Tevlin Women's Challenger, Canada (Hard, W60 tier)
- April 2023: Kōfu International Open, Japan (Hard, W25 tier)
- May 2023: Kangaroo Cup, Japan (Hard, W80 tier)
- April 2024: Tokyo Open, Japan (Hard, W100 tier)
- January 2025: ITF Nonthaburi 2, Thailand (Hard, W75 tier)
2.5.1. ITF Circuit Finals: Singles
| Result | W-L | Date | Tournament | Tier | Surface | Opponent | Score |
|---|---|---|---|---|---|---|---|
| Loss | 0-1 | April 2012 | ITF Andijan, Uzbekistan | 10,000 | Hard | Sabina Sharipova | 2-6, 4-6 |
| Loss | 0-2 | July 2012 | ITF Pattaya, Thailand | 10,000 | Hard | Nungnadda Wannasuk | 4-6, 6-4, 4-6 |
| Win | 1-2 | February 2014 | ITF Salisbury, Australia | 15,000 | Hard | Wang Yafan | 6-3, 7-6(6) |
| Win | 2-2 | March 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 | February 2015 | ITF Clare, Australia | 15,000 | Hard | Pia König | 6-3, 6-3 |
| Loss | 4-3 | March 2015 | ITF Port Pirie, Australia | 15,000 | Hard | Han Na-lae | 6-3, 4-6, 2-6 |
| Win | 5-3 | March 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 | August 2015 | ITF Tsukuba, Japan | 25,000 | Hard | Lee Ya-hsuan | 3-6, 3-6 |
| Loss | 5-7 | February 2016 | ITF Perth, Australia | 25,000 | Hard | Jaimee Fourlis | 4-6, 6-2, 6-7(1) |
| Win | 6-7 | April 2016 | ITF Kashiwa, Japan | 25,000 | Hard | Wang Yafan | 6-4, 1-6, 6-3 |
| Loss | 6-8 | June 2016 | ITF Tokyo, Japan | 25,000 | Hard | Akiko Omae | 2-6, 1-6 |
| Loss | 6-9 | October 2016 | ITF Iizuka Japan | 25,000 | Hard | Chang Kai-chen | 3-6, 4-6 |
| Loss | 6-10 | October 2016 | Liuzhou Open, China | 50,000 | Hard | Nina Stojanović | 3-6, 4-6 |
| Loss | 6-11 | April 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 | July 2019 | ITF Nonthaburi, Thailand | 25,000 | Hard | Xun Fangying | 6-1, 2-6, 6-4 |
| Loss | 7-13 | August 2019 | ITF Guiyang, China | 25,000 | Hard | Aleksandrina Naydenova | 4-6, 2-6 |
| Loss | 7-14 | March 2021 | ITF Antalya, Turkey | W15 | Clay | Nuria Brancaccio | 5-7, 4-6 |
| Win | 8-14 | March 2021 | ITF Antalya, Turkey | W15 | Clay | Mai Hontama | 4-6, 6-3, 6-2 |
| Loss | 8-15 | April 2021 | ITF Oeiras, Portugal | W25 | Clay | Anhelina Kalinina | 4-6, 6-4, 4-6 |
| Win | 9-15 | August 2021 | ITF Oldenzaal, Netherlands | W25 | Clay | Malene Helgø | 6-3, 6-2 |
| Win | 10-15 | April 2022 | Clay Court International, Australia | W60 | Clay | Yuki Naito | 6-7(3), 6-1, 6-4 |
| Loss | 10-16 | October 2022 | Toronto Challenger, Canada | W60 | Clay | Robin Anderson | 2-6, 4-6 |
| Win | 11-16 | March 2023 | Nur-Sultan Challenger, Kazakhstan | W60 | Hard (i) | Moyuka Uchijima | 6-1, 6-4 |
| Win | 12-16 | April 2023 | Kōfu International Open, Japan | W25 | Hard | Han Na-lae | 2-6, 3-6, 6-2 |
| Loss | 12-17 | April 2023 | ITF Kashiwa, Japan | W25 | Hard | Nao Hibino | 4-6, 3-6 |
| Loss | 12-18 | June 2024 | ITS Cup Olomouc, Czech Republic | W75 | Clay | Anna Bondár | 3-6, 6-7(4) |
2.5.2. ITF Circuit Finals: Doubles
| Result | W-L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|---|
| Loss | 0-1 | September 2012 | ITF Yeongwol, South Korea | 10,000 | Hard | Han Na-lae | Kim Sun-jung Yu Min-hwa | 3-6, 5-7 |
| Win | 1-1 | March 2013 | ITF Bundaberg, Australia | 25,000 | Clay | Lee So-ra | Miki Miyamura Varatchaya Wongteanchai | 7-6(4), 4-6, [10-8] |
| Loss | 1-2 | June 2013 | ITF Gimcheon, South Korea | 10,000 | Hard | Riko Sawayanagi | Kim Na-ri Lee Ye-ra | 3-6, 3-6 |
| Loss | 1-3 | June 2013 | ITF Gimcheon, South Korea | 10,000 | Hard | Riko Sawayanagi | Kang Seo-kyung Kim Ji-young | 5-7, 1-6 |
| Loss | 1-4 | February 2014 | ITF Salisbury, Australia | 15,000 | Hard | Lee So-ra | Misa Eguchi Miki Miyamura | 2-6, 1-6 |
| Win | 2-4 | March 2014 | ITF Mildura, Australia | 15,000 | Grass | Lee So-ra | Jessica Moore Aleksandrina Naydenova | 6-1, 1-6, [10-4] |
| Loss | 2-5 | June 2014 | ITF Lenzerheide, Switzerland | 25,000 | Clay | Justyna Jegiołka | Louisa Chirico Sanaz Marand | 3-6, 4-6 |
| Win | 3-5 | March 2015 | ITF Bangkok, Thailand | 15,000 | Hard | Vojislava Lukić | Chanel Simmonds Emily Webley-Smith | 6-4, 6-4 |
| Loss | 3-6 | April 2015 | ITF Shenzhen, China | 25,000 | Hard | Han Na-lae | Noppawan Lertcheewakarn Lu Jiajing | 4-6, 5-7 |
| Win | 4-6 | July 2015 | ITF Zhengzhou, China | 25,000 | Hard | Han Na-lae | Liu Chang Zhang Ling | 6-3, 6-0 |
| Win | 5-6 | September 2015 | ITF Noto, Japan | 25,000 | Hard | Lee So-ra | Chiaki Okadaue Kyōka Okamura | 6-3, 2-6, [10-8] |
| Loss | 5-7 | February 2016 | ITF Perth, Australia | 25,000 | Hard | Han Na-lae | Tammi Patterson Katarzyna Piter | 6-4, 2-6, [3-10] |
| Win | 6-7 | April 2017 | ITF Kashiwa, Japan | 25,000 | Hard | Lee Ya-hsuan | Han Na-lae Peangtarn Plipuech | 6-3, 3-6, [10-4] |
| Win | 7-7 | August 2019 | ITF Huangshan, China | 25,000 | Hard | Kim Na-ri | Eudice Chong Ye Qiuyu | 7-5, 6-1 |
| Loss | 7-8 | March 2021 | ITF Antalya, Turkey | W15 | Clay | Park So-hyun | Jessie Aney Ingrid Martins | 2-6, 2-6 |
| Win | 8-8 | March 2021 | ITF Antalya, Turkey | W15 | Clay | Sina Herrmann | Anastasia Dețiuc Darja Viďmanová | Walkover |
| Win | 9-8 | April 2021 | ITF Antalya, Turkey | W15 | Clay | Lee So-ra | María Paulina Pérez María Portillo Ramírez | 6-2, 2-6, [10-7] |
| Win | 10-8 | July 2021 | ITF Kyiv, Ukraine | W25 | Hard | Bojana Marinković | Ali Collins Andrea Gámiz | 3-6, 6-4, [10-7] |
| Loss | 10-9 | August 2021 | Kozerki Open, Poland | W60 | Clay | Lee Ya-hsuan | Bárbara Gatica Rebeca Pereira | 3-6, 1-6 |
| Win | 11-9 | March 2022 | Clay Court International, Australia | W60 | Clay | Han Na-lae | Yuki Naito Moyuka Uchijima | 3-6, 6-2, [10-5] |
| Win | 12-9 | June 2022 | Ilkley Trophy, UK | W100 | Grass | Lizette Cabrera | Naiktha Bains Maia Lumsden | 6-7(7), 6-0, [11-9] |
| Loss | 12-10 | August 2022 | Landisville Challenge, United States | W100 | Hard | Han Na-lae | Sophie Chang Anna Danilina | 6-2, 6-7(4), [9-11] |
| Win | 13-10 | October 2022 | Toronto Challenger, Canada | W60 | Hard (i) | Michaela Bayerlová | Elysia Bolton Jamie Loeb | 6-3, 6-2 |
| Loss | 13-11 | March 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 | March 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 | April 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 | April 2024 | Tokyo Open, Japan | W100 | Hard | Kimberly Birrell | Aleksandra Krunić Arina Rodionova | 7-5, 3-6, [10-8] |
| Win | 17-12 | January 2025 | ITF Nonthaburi 2, Thailand | W75 | Hard | Zheng Wushuang | Rutuja Bhosale Eudice Chong | 4-6, 6-0, [10-6] |
2.6. Billie Jean King Cup
Jang Su-jeong has been a consistent representative for South Korea in the Billie Jean King Cup (formerly known as the Fed Cup), the premier international team competition in women's tennis. As of February 2025, she holds a commendable win-loss record of 18-11 in the competition, showcasing her contribution to the national team.
3. Rankings and Records
Jang Su-jeong has achieved significant career-high rankings in both singles and doubles. Her highest singles ranking was world No. 114, which she reached on July 11, 2022. In doubles, she peaked at world No. 82 on May 22, 2023.
Her overall career statistics include:
- Singles Record**: 408 wins and 287 losses.
- Doubles Record**: 186 wins and 131 losses.
- Overall WTA Tour Win-Loss**: 18 wins and 25 losses.
- Career Prize Money**: 882.68 K USD.
4. Personal Life
Beyond her professional tennis career, publicly available information regarding Jang Su-jeong's personal life is limited. She was born in Busan, South Korea, on March 13, 1995.
5. Assessment and Impact
While specific detailed assessments of Jang Su-jeong's overall career impact on South Korean tennis are not extensively documented in the provided sources, her consistent presence on the professional tour, her multiple ITF titles, and her success on the WTA Challenger Tour highlight her as a notable figure in South Korean tennis. Her representation in the Billie Jean King Cup further underscores her role in national team competitions.