| ITF - W15 Antália | 03/30 09:00 | 25 | Jasmijn Gimbrere v Su Jeong Jang | 4-6,4-6 | |
| ITF - W15 Antália | 03/25 08:50 | 25 | [329] Su Jeong Jang v Rebeka Masarova [345] | 6-7,7-5,3-6 | |
| ITF - W15 Antália | 03/21 07:20 | 29 | [341] Mai Hontama v Su Jeong Jang [327] | 6-4,3-6,2-6 | |
| ITF - W15 Antália | 03/20 07:30 | 28 | [327] Su Jeong Jang v Johana Markova [400] | 6-3,6-1 | |
| ITF - W15 Antália | 03/19 07:30 | 27 | [256] Cristina Dinu v Su Jeong Jang [327] | 1-6,2-6 | |
| ITF - W15 Antália | 03/18 08:40 | 26 | Polina Leykina v Su Jeong Jang | 1-6,0-6 | |
| ITF - W15 Antália | 03/17 11:15 | 25 | Petia Arshinkova v Su Jeong Jang | 1-6,0-6 | |
| ITF - W15 Antália | 03/10 10:30 | 25 | Zhibek Kulambayeva v Su Jeong Jang | 2-6,6-3,7-5 | |
| ITF - W15 Antália | 03/07 06:55 | 29 | Su Jeong Jang v Nuria Brancaccio | 5-7,4-6 | |
| ITF - W15 Antália | 03/06 07:00 | 28 | Su Jeong Jang v Andreea Prisacariu | 3-6,6-3,6-4 | |
| ITF - W15 Antália | 03/05 07:00 | 27 | Su Jeong Jang v Jazmin Ortenzi | 6-3,6-3 | |
| ITF - W15 Antália | 03/04 08:35 | 26 | Su Jeong Jang v Zeynep Sonmez | 6-1,4-6,6-2 | |
| ITF - W15 Antália | 03/02 09:00 | 25 | Su Jeong Jang v Defne Cirpanli | 6-1,6-1 | |
| Fed Cup 2020 | 03/07 12:00 | 5 | [34] Saisai Zheng v Su Jeong Jang [309] | 6-1,6-0 | |
| Fed Cup 2020 | 03/06 12:00 | 4 | Priska M Nugroho v Su Jeong Jang | 5-7,3-6 | |
| Fed Cup 2020 | 03/05 12:00 | 3 | [433] Rutuja Bhosale v Su Jeong Jang [309] | 7-5,6-4 | |
| Billie Jean King Cup | 03/04 12:00 | 2 | Ya-Yi Yang v Su Jeong Jang | 3-6,1-6 | |
| Fed Cup 2020 | 03/03 12:00 | 1 | [309] Su Jeong Jang v Akgul Amanmuradova [398] | 6-3,6-4 | |
| ITF - W25 Perth | 02/25 04:25 | 25 | [381] Lucrezia Stefanini v Su Jeong Jang [315] | 6-1,6-4 | |
| ITF - W25 Perth | 02/20 04:55 | 26 | Su Jeong Jang v Sakura Hosogi | 6-2,3-6,2-6 | |
| ITF - W25 Perth | 02/19 09:05 | 25 | [317] Su Jeong Jang v Emily Fanning [468] | 4-6,6-2,6-3 | |
| Open da Austrália - Wild Card - Feminino | 12/06 02:00 | 27 | [321] Su Jeong Jang v Kai-Chen Chang [337] | 1-6,5-7 | |
| Open da Austrália - Wild Card - Feminino | 12/04 02:00 | 26 | [321] Su Jeong Jang v Xinyu Jiang [104] | 6-3,6-3 | |
| ITF - W100 Tóquio | 11/13 03:30 | 25 | [143] Kurumi Nara v Su Jeong Jang [300] | 6-3,6-4 | |
| ITF - W25 Hua Hin | 11/06 02:55 | 25 | [281] Su Jeong Jang v Naiktha Bains [292] | 6-4,3-6,4-6 | |
| ITF - W60 Liuzhou | 10/28 04:55 | 54 | [265] Su Jeong Jang v Meiqi Guo [487] | 6-0,2-6,3-10 | |
| ITF - W100 Suzhou | 10/15 02:00 | 54 | [266] Su Jeong Jang v Meiqi Guo [496] | 3-6,3-6 | |
| ITF - W100 Suzhou | 10/14 04:30 | 54 | [266] Su Jeong Jang v Ying Zhang [421] | 3-6,7-6,11-9 | |
| WTA Seoul | 09/14 05:30 | 45 | [268] Su Jeong Jang v Ulrikke Eikeri [244] | 2-6,2-6 | |
| WTA - Hiroshima | 09/09 04:00 | 64 | [178] Valeria Savinykh v Su Jeong Jang [283] | 6-4,7-5 |
Wikipedia - Jang Su-jeong
Jang Su-jeong (Korean: 장수정 Hanja: 張修貞; born 13 March 1995) is a South Korean professional tennis player.
Jang has won one singles and one doubles title on the WTA Challenger Tour. She has also won 12 tournaments in singles and 15 in doubles on the ITF Circuit. 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.
Playing for South Korea Fed Cup team, Jang has a win-loss record of 21-11 as of April 2024.
History
Jang had a good career as a singles junior player, reaching her highest ranking in that category as world No. 68. Her best junior Grand Slam tournament was at the 2011 US Open, where she reached the third round. Her lone junior singles title was at the Yangdu International Junior Championships (Gangwon, 2008).
She won her first ITF Circuit title in Bundaberg, Australia on 30 March 2013, winning the doubles tournament alongside Lee So-ra. The pair defeated Miki Miyamura and Varatchaya Wongteanchai in the final in a close three-setter.
Her most successful performance to date came at the 2013 Korea Open, where she reached the quarterfinals with a three-set win over Ons Jabeur.
She qualified into the singles main draw of the 2022 Australian Open for her major debut. She became the eighth South Korean woman to contest a Grand Slam main draw in the Open Era, and fourth this century following Cho Yoon-jeong, Jeon Mi-ra and Han Na-lae.
She won her first WTA Challenger title at the 2022 Swedish Open where she defeated Rebeka Masarova in the final.
At the 2023 Korea Open, she upset fifth seed Sofia Kenin.