First Indonesian WTA Tour champion in 23 years
Right-handed, two-handed backhand, Pepperdine graduate — she started 2025 ranked No. 412 and ended it a WTA champion, then climbed to the top 40 by February 2026.
Career-High Rank
No. 36
23 FEB 2026
Current Rank
No. 59
27 JAN 2026
Age
23
B. 6 MAY 2002
ITF Titles
13
JAKARTA, INA
Birthplace
Jakarta, Indonesia
College
Pepperdine (grad. 2024)
Height
171 cm (5'7")
Plays
Right-handed
Backhand
Two-handed
Best Slam
2R — AO, Wimbledon, US Open
Tjen took the road almost no top-40 player takes anymore: four years of American college tennis, first at Oregon and then at Pepperdine, before turning fully professional in 2024 at age 22. The gamble paid off at startling speed. She won seven ITF titles in her first pro season — more than anyone else on the women's circuit — including a 27-match winning streak through Asia, and by one WTA accounting had won 100 of 113 matches over a 16-month stretch.
"A little emotional, but very happy." — After beating Veronika Kudermetova at the 2025 US Open, post-match interview
The wider tennis world caught up at the 2025 US Open, where she qualified and then beat No. 25 seed Veronika Kudermetova in her first tour-level main draw — Indonesia's first US Open main-draw win by a woman since 2002. Two months later in Chennai she won her maiden WTA title, the first by any Indonesian in 23 years, and by February 2026 she had carried the country's flag back inside the world's top 40.
"I still can't process my emotions right now."
ON UPSETTING KUDERMETOVA, US OPEN 2025 · SPORTS.INQUIRER.NET"She's, I would say, my role model."
ON ASHLEIGH BARTY · WTATENNIS.COM"So I trust them, and here I am!"
ON HER PEPPERDINE COACHES URGING THE COLLEGE ROUTE · WTATENNIS.COM