Rise to Success: Career Highlights of Learner Tien

From career breakthroughs to professional milestones, explore how Learner Tien made an impact.

Learner Tien is an American professional tennis player. He reached a career-high ATP singles ranking of No. 36 on September 29, 2025, and a doubles ranking of No. 343 on August 18, 2025.

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Full Timeline Career & Achievements

2022: Grand Slam Results

In 2022, Learner Tien's results were: Wimbledon: 2R, US Open: 2R.

2022: USTA Boys 18s National Championship and US Open Main Draw Appearance

In 2022, at age 16, Learner Tien won the USTA Boys 18s National Championship, earning a wildcard into the main draw of the US Open. He became the youngest player to compete in the men’s singles main draw at the US Open since Donald Young in 2005 and the first 16-year-old since Zachary Svajda in 2019. He lost to Miomir Kecmanović.

August 2023: US Open Appearance

In August 2023, Learner Tien received a wildcard into the US Open but lost to Frances Tiafoe in the first round.

2023: Junior Grand Slam Finals and ITF Ranking

In 2023, Learner Tien had a successful junior career, reaching two junior Grand Slam finals at the Australian Open and the US Open. He also achieved a combined ITF ranking of world No. 4. In doubles, he won the 2023 Australian Open, partnering with Cooper Williams.

2023: Australian Open Win

In 2023, Learner Tien won the Australian Open.

2023: Grand Slam Results

In 2023, Learner Tien's results were: Australian Open: F, French Open: SF, US Open: F

July 2024: Challenger Title and Ranking Increase

In July 2024, Learner Tien received a wildcard for the Cranbrook Tennis Classic in Bloomfield Hills, Michigan, winning his maiden Challenger title. He also won the M15 in Lakewood, California, increasing his winning streak to 25. At the end of July, he made the quarterfinals at the Chicago Men's Challenger and reached the top 250 in the rankings. He lost to Yunchaokete Bu, ending a 28-match winning streak across ITF and ATP Challenger tournaments.

August 2024: ATP Tour Wins and Ranking Increase

In August 2024, Learner Tien qualified for the main draw at the Winston-Salem Open. He defeated Tristan Schoolkate, Fábián Marozsán, and Thiago Seyboth Wild to record his first three ATP Tour wins and reach his first ATP quarterfinal. As a result, he climbed in the singles rankings to world No. 191 on August 26, 2024.

September 2024: Challenger Title and Ranking Improvement

In September 2024, Learner Tien won his second Challenger title in Las Vegas, defeating Tristan Boyer, and moved up in the singles rankings to a new career-high of No. 151 on September 16, 2024.

October 2024: Fairfield Challenger Title and Ranking Improvement

In October 2024, Learner Tien reached the top 125 in the rankings at world No. 124 on October 14, 2024, following another title at the Fairfield Challenger after playing a 39-minute final against Bernard Tomic, the shortest championship match in Challenger history.

November 2024: Next Generation ATP Finals Qualification

On November 26, 2024, at 18 years old, Learner Tien qualified for the 2024 Next Generation ATP Finals.

March 2025: ATP 500 Quarterfinal and Ranking Improvement

In March 2025, at the Abierto Mexicano Telcel, Learner Tien qualified for the main draw and defeated Alexander Zverev to reach his first ATP 500-level quarterfinal. He moved into the top 70 in the singles rankings on March 3, 2025.

August 2025: Doubles Ranking

In August 2025, Learner Tien achieved a doubles ranking of No. 343.

September 2025: Career-High ATP Singles Ranking

In September 2025, Learner Tien achieved a career-high ATP singles ranking of world No. 36.

2025: ATP Masters 1000 Fourth Round

In 2025, Learner Tien reached the fourth round of an ATP Masters 1000 for the first time in his career, at the National Bank Open, upsetting Denis Shapovalov.