Challenger
Tien’s path from Challenger breakthrough to Tour stardom
American won three ATP Challenger titles in 2024 before making his debut on the ATP Tour
December 23, 2025
Student Ten finished 2025 at number 28 in his career in the PIF ATP rankings.
By ATP staff
While 2025 marked Learner Tien’s breakout season on the ATP Tour, the blueprint was drawn a year earlier, as the southpaw proved himself at ITF World Tennis Tour events and ATP Challenger tournaments.
Away from the bright lights of the Next Gen ATP Finals presented by PIF, which Tien won on Sunday to join an elite list of former champions including Carlos Alcaraz and Jannik Sinner, the American was building his foundation.
Flashback to early 2024, when Tien had to endure a three-month layoff due to a seventh rib injury that made moving his dominant arm difficult. Tien’s meteoric rise has rarely slowed since. Part of the reason Tien is where he is today is the ATP Challenger circuit, long considered the launching pad for rising stars. Even the sport’s biggest names, including the ‘Big Three’, had to make it through Challenger events.
Tien enjoyed a decorated junior career, winning the USTA Boys ’18s National Championship twice (2022, 2023). He also reached the final of junior Slam tournaments twice. Tien announced his arrival as a professional in 2024, notably building a 28-match winning streak, including four ITF World Tennis Tour title runs and his first Challenger trophy.
“Playing these types of tournaments really makes you ready to take the next step,” Tien said on Sunday after the victory in Jeddah. “I think the number of games you have to play, especially if you win them – I think the confidence you get really gives you a boost to get to the next level.”
Tien’s opponent in his first Challenger final appearance in Bloomfield Hills was compatriot Nishesh Basavareddy, against whom he rematched in the Jeddah semi-final last week. That Challenger meeting between Tien and Basavareddy was only the third final in Challenger history to feature two American teenagers. Tien, then 18 years old, needed a deciding set in all five of his matches that week.
“I was just really happy and relieved that I got through them all,” Tien said at the time. “I’m very happy to have gotten my first Challenger. That was one of the goals I wanted to cross off my list this year.”
Tien achieved his goal of claiming one Challenger title and then some. He finished the 2024 season with a hat-trick of Challenger trophies, also triumphing in Las Vegas and Fairfield. He posted a remarkable 35-9 competition record at that level. In Las Vegas, Tien raced past former No. 17 Bernard Tomic 6-0, 6-1 in a 39-minute final, the shortest championship match in Challenger history.
Student Tien in action during the ATP Challenger Tour 75 event in Fairfield, California.” style=”width:100%” src=”https://www.atptour.com/-/media/images/news/2024/10/14/13/54/tien-fairfieldch-2024.jpg”>
Student Ten in action during the Fairfield Challenger 2024. Credit: Taube – Grossman Pro Tennis Tournament
The California native joined Andy Roddick, Sam Querrey and Taylor Fritz on an exclusive list of Americans who won three Challenger titles before their 19th birthday.
“If you had told me six months ago that this is what my year would have been like, I probably would have been a little skeptical,” Tien told commentator Mike Cation after winning the Fairfield Challenger.
Before Tien continued his streak of 28 consecutive match wins, he had posted an image on Instagram of two pickaxe-wielding diggers in a sand tunnel. One just gave up for the prize; the other continued to wave, getting closer and closer to the diamonds he hoped (but didn’t know) were on the other side.
That ruthless mentality, evident in Tien’s steady rise, has translated into tangible results. The 20-year-old won his first tour-level title in Metz in November and finished the season at career-high No. 28 in the PIF ATP rankings. Returning to the Next Gen ATP Finals presented by PIF, where he was a finalist last year, Tien went one step further and claimed a championship payout of $502,250.
It’s safe to say Tien’s ‘up and coming’ days are over. Tien has arrived at the top of the sport. The intimate Challenger locations and the hunt for a breakthrough are now a thing of the past. Tien has successfully used those experiences to get where he is today.
“I think Challengers are great,” Tien said. “I think it prepares you to play a lot of games in a row. Games there are not easy.”
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