Learner Tien

Learner Tien
Tien at the 2024 US Open
Country (sports) United States
ResidenceIrvine, California, US
Born (2005-12-02) December 2, 2005
Irvine, California, US
Height1.80 m (5 ft 11 in)
Turned pro2023
PlaysLeft-handed (two-handed backhand)
CollegeUniversity of Southern California
CoachMichael Chang, Erik Kortland (Jul 2025–),
Eric Diaz (–2025)
Prize moneyUS $3,804,712
Singles
Career record52–35 (at ATP Tour level, Grand Slam level, and in Davis Cup)
Career titles1
Highest rankingNo. 21 (March 16, 2026)
Current rankingNo. 21 (March 16, 2026)
Grand Slam singles results
Australian OpenQF (2026)
French Open1R (2025)
Wimbledon2R (2025)
US Open1R (2022, 2023, 2024, 2025)
Doubles
Career record3–11 (at ATP Tour level, Grand Slam level, and in Davis Cup)
Career titles0
Highest rankingNo. 343 (August 18, 2025)
Current rankingNo. 435 (March 16, 2026)
Grand Slam doubles results
French Open2R (2025)
Wimbledon1R (2025)
US Open1R (2025)
Grand Slam mixed doubles results
US Open1R (2024)
Last updated on: March 16, 2026.

Learner Tien (born December 2, 2005) is an American professional tennis player. He has a career-high ATP singles ranking of world No. 21 achieved on March 16, 2026 and a best doubles ranking of No. 343 reached on August 18, 2025. His best achievement is reaching a major quarterfinal at the 2026 Australian Open. He is currently the No. 3 American in men's singles.

Tien has won one ATP Tour singles title at the 2025 Moselle Open, as well as the 2025 Next Gen ATP Finals.