Jang Su-jeong

Jang Su-jeong (장수정 ; 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 16 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 July 2024.

Career
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.

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 2023 Thailand Open.