Janice Tjen
Janice Tjen is an Indonesian professional tennis player. She has a career-high WTA singles ranking of world No. 47, achieved on 2 February 2026 and a doubles ranking of No. 67, achieved on 19 January 2026. She is currently the No. 1 singles player from Indonesia.
Tjen has won one WTA Tour title in singles and three in doubles. At the 2025 Chennai Open, she became the first Indonesian woman to lift a Main Tour singles trophy since Angelique Widjaja.
In the Billie Jean King Cup, she has a win-loss record of 2–2.
Early life
Tjen was born in Jakarta, Indonesia. She was persuaded to take up tennis by Priska Madelyn Nugroho, a friend and one of the top Indonesian junior players at the time. The high costs involved with turning professional meant that Tjen and her parents decided to develop her skills through college tennis first; Tjen played at the University of Oregon, then transferred to Pepperdine University in 2021, graduating in 2024 with a degree in sociology.Junior Grand Slam performance
Singles:- Australian Open: Q1
Career
In August 2025, Tjen qualified for her first Grand Slam main draw with a straight sets win over third qualifying seed Aoi Ito at the 2025 US Open. She became the first Indonesian player in a major since Angelique Widjaja at the 2004 US Open. In the first round, she defeated 24th seed Veronika Kudermetova in three sets, becoming the first Indonesian woman to win a Grand Slam match since Widjaja at the 2003 Wimbledon Championships. Tjen lost in the second round to Emma Raducanu in straight sets.
In September 2025, on her WTA 250 debut at the São Paulo Open, Tjen became the first Indonesian woman to reach a WTA quarterfinal since Angelique Widjaja at the 2004 Wismilak International. After defeating third-seed Alexandra Eala in the quarterfinals and sixth-seed Francesca Jones in the semifinals, Tjen became the first Indonesian player to reach a WTA final since Widjaja in 2002. She lost the final to Tiantsoa Sarah Rakotomanga Rajaonah.
In October 2025, partnering Aldila Sutjiadi, she won her first WTA 125 doubles title at the Suzhou Open, defeating Katarzyna Kawa and Makoto Ninomiya in the final. Tjen reached the top 100 on 6 October 2025 and became the sixth Indonesian to reach the milestone. She won her maiden WTA 125 singles title at the Jinan Open, overcoming Anna Bondár in the final. Teaming with Katarzyna Piter, Tjen won her first WTA 250 doubles title at the Guangzhou Open, defeating Eudice Chong and Liang En-shuo in the final which went to a deciding champions tiebreak.
At the 2025 Chennai Open, she won her maiden WTA Tour singles title, defeating Kimberly Birrell in the final and then teamed with Aldila Sutjiadi to claim the tournament's doubles crown, overcoming top seeds and former world no. 1 Storm Hunter and Monica Niculescu in the championship match. As a result Tjen climbed 29 places in the singles rankings to a new career-high of world No. 53 on 3 November 2025.
WTA Tour finals
Singles: 2 (1 title, 1 runner-up)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Loss | 0–1 | 2025 SP Open – Singles| | SP Open, Brazil | WTA 250 | Hard | Tiantsoa Sarah Rakotomanga Rajaonahdts|Oct 2025Doubles: 3 (3 titles)
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