History of Learner Tien in Timeline

Learner Tien is an American professional tennis player. He reached a career-high ATP singles ranking of world No. 80 on January 27, 2025, and a doubles ranking of No. 722 on February 3, 2025.

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Full Timeline Career & Achievements

1990: Pete Sampras Reached Third Round of Australian Open

In 1990, Pete Sampras reached the third round of the Australian Open.

2001: Andy Roddick Defeated Gustavo Kuerten

In 2001, Andy Roddick defeated Gustavo Kuerten at the Canadian Masters.

December 2, 2005: Learner Tien's Birth

On December 2, 2005, Learner Tien was born. He is an American professional tennis player.

Others born on this day/year

2005: Donald Young Played in US Open

In 2005, Donald Young, also 16 and champion at Kalamazoo, played in the US Open, marking a historical comparison to Learner Tien's later achievement.

2005: Rafael Nadal at Australian Open

In 2005, Rafael Nadal reached the fourth round at the Australian Open.

2016: Frances Tiafoe Wins in Granby

In 2016, Frances Tiafoe won in Granby, Canada.

2019: Zachary Svajda competed in US Open

In 2019, Zachary Svajda competed in the US Open, a historical comparison to Learner Tien's later achievement.

2020: Brandon Nakashima Quarterfinalist

In 2020, Brandon Nakashima was an ATP tour-level quarterfinalist in Delray Beach.

2022: Carlos Alcaraz Defeated Alexander Zverev

In 2022, Carlos Alcaraz defeated Alexander Zverev in the Madrid final.

2022: Wimbledon Quarterfinal

In 2022, Learner Tien reached the quarterfinal of Wimbledon.

2022: Grand Slam Results

In 2022, Learner Tien reached the second round of Wimbledon and the US Open in doubles.

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

In 2022, at 16 years old, Learner Tien won the USTA Boys 18s National Championship, earning a wildcard into the main draw of the 2022 US Open. He became the youngest player to compete in the men’s singles main draw at the US Open since 2005.

August 2023: US Open Appearance

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

2023: Junior Grand Slam Finals and Australian Open Doubles Win

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

2023: Grand Slam Results

In 2023, Learner Tien reached the final of the Australian Open and US Open, the semi-final of the French Open and the quarter-final of Wimbledon.

2023: Australian Open Doubles Win

In 2023, Learner Tien won the Australian Open in doubles.

July 2024: Maiden Challenger Title and Top 250 Ranking

In July 2024, Learner Tien received a wildcard for the Cranbrook Tennis Classic, winning his maiden Challenger title and becoming the youngest American Challenger champion since 2016. He reached the top 250 in the rankings on July 29, 2024.

August 2024: ATP Quarterfinal and Top 200 Ranking

In August 2024, Learner Tien qualified for the main draw at the Winston-Salem Open, recording his first three ATP Tour wins and reaching his first ATP quarterfinal. He climbed to world No. 191 in the singles rankings on August 26, 2024.

September 2024: Second Challenger Title and Top 151 Ranking

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

October 2024: Fairfield Challenger Title and Top 125 Ranking

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.

November 2024: Qualified for Next Generation ATP Finals

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

January 27, 2025: Achieved ATP Singles Ranking No. 80

On January 27, 2025, Learner Tien achieved a career-high ATP singles ranking of world No. 80.

February 3, 2025: Achieved ATP Doubles Ranking No. 722

On February 3, 2025, Learner Tien achieved a career-high doubles ranking of No. 722.

March 2025: ATP 500 Quarterfinal and Top 70 Ranking

In March 2025, at the Abierto Mexicano Telcel, Learner Tien reached his first ATP 500-level quarterfinal and moved into the top 70 in the singles rankings on March 3, 2025.