MORE: Tennis scoring, explainedHis performances then saw him selected as one of eight players at the season-ending Next Generation ATP Finals for 2024. He reached the final, losing to Joao Fonseca.That season, he enjoyed a streak of 28 consecutive wins before being sidelined through injury.Half a decade later, he joined the United States Tennis Association (USTA) youth […]
MORE: Tennis scoring, explainedHis performances then saw him selected as one of eight players at the season-ending Next Generation ATP Finals for 2024. He reached the final, losing to Joao Fonseca.That season, he enjoyed a streak of 28 consecutive wins before being sidelined through injury.Half a decade later, he joined the United States Tennis Association (USTA) youth development program.He was born on December 2, 2005 in Irvine, California, USA.
Learner Tien age
Tien’s surname is Vietnamese in origin, with both of his parents born in the south-east Asian country. Tien entered the Australian Open with an ATP ranking of 121.Tien is 19 years old.
Learner Tien career, bio
The American will now face Frenchman Corentin Moutet in the third round at Melbourne Park.He is currently projected to enter the top 100 once new rankings are published after the tournament.Then, as a 14-year-old, Tien participated in the World Junior Championships, where he left a strong impression as a member of Team USA.After the Flushing Meadows event, he claimed additional Challenger titles in Las Vegas and Fairfield, becoming the fourth American player in history to win three ATP Challenger Tour titles before his 19th birthday. He officially turned pro the same year.His first name, Learner, was inspired by his mother’s profession – a math teacher.

Learner Tien has stunned the tennis world, claiming an upset victory over Daniil Medvedev at the Australian Open.It is even more remarkable considering Tien had to battle his way through three qualifying matches to reach the Melbourne Park main draw. This led to his participation in the Davis Cup junior tournament before he began entering International Tennis Federation (ITF) events and junior grand slams.The Sporting News takes a look at the young American’s career so far as he marches into the third round of the Australian Open.In junior grand slam tournaments, Tien achieved a record of 76-23, including a doubles title at the 2023 Australian Open.MORE: Australian Open prize money – How much is on offer in 2025?Notably, he made his third US Open main draw appearance after emerging through the 2024 qualifying tournament.Tien’s younger sister’s name, Justice, was a result of her father’s profession – a real estate lawyer.The teenage talent beat the No. 5 seed in a thrilling five-set affair that lasted just short of five hours and concluded at 2:55 am local time.
Learner Tien ranking
He was then able to back his performance up on Margaret Court Arena with a scarcely-believable win over three-time Australian Open finalist Medvedev. The final score read 6-3 7-6(4) 6-7(8) 1-6 7-6(7).Success on the court came early for Tien, who won his first championship in Irvine as a five-year-old.
Learner Tien height
Tien recorded his first grand slam main draw victory at the ongoing Australian Open via a hard-fought triumph against Camilo Ugo.
Learner Tien name: Origin, meaning
Tien is 180cm tall, per the ATP.His win over Medvedev saw him become the youngest American to defeat an ATP top-5 player in a major since 1990.Once he returned to full fitness, Tien continued to climb up the ATP rankings.