Learner Tien - ATP #38 (2025-10-13)
| atpworldtour.com | ATP | Country |  United States of America |
| Wikipedia | Eng / Fr | Birth | 2005-12-02 - age 19 |
| Career best ranking | 38 - 2025-10-13 - age 19 (+10 M) | Résidence |  Unknown |
| Height | - | ||
| Weight | - |
| Conditions | W | D | ratio |
|---|---|---|---|
| Hard (in.) | 1 | 1 | 50.00% |
| Hard (out.) | 21 | 13 | 61.76% |
| Grass | 4 | 3 | 57.14% |
| Clay | 1 | 6 | 14.29% |
| TOTAL | 27 | 23 | 54.00% |
| # | Date | Categ | Tournament | Conditions | Round | #Rank | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025-10-27 | 1000 |  Masters de Paris-Bercy | Hard (in.) | 16e | #38 |  #15 Andrey Rublev | ||
| 2 | 2025-10-27 | 1000 | Masters de Paris-Bercy | Hard (in.) | 32e | #38 |  #46 Nuno Borges | ||
| 3 | 2025-09-29 | 1000 |  Shanghai Masters | Hard (out.) | 8e | #50 | #16 Daniil Medvedev | 7/6(6) 6/7(1) 6/4 | |
| 4 | 2025-09-29 | 1000 | Shanghai Masters | Hard (out.) | 16e | #50 |  #34 Cameron Norrie | 7/6(4) 6/3 | |
| 5 | 2025-09-29 | 1000 | Shanghai Masters | Hard (out.) | 32e | #50 | #38 Corentin Moutet | 4/6 6/4 6/4 | |
| 6 | 2025-09-29 | 1000 | Shanghai Masters | Hard (out.) | 64e | #50 |  #44 Miomir Kecmanovic | 4/6 6/3 6/4 | |
| 7 | 2025-09-22 | 500 | China Open | Hard (out.) | F | #50 |  #2 Jannik Sinner | 6/2 6/2 | |
| 8 | 2025-09-22 | 500 | China Open | Hard (out.) | DF | #50 | #16 Daniil Medvedev | 5/7 7/5 4/0 ret. | |
| 9 | 2025-09-22 | 500 | China Open | Hard (out.) | QF | #50 | #10 Lorenzo Musetti | 4/6 6/3 3/0 ret. | |
| 10 | 2025-09-22 | 500 | China Open | Hard (out.) | 8e | #50 | #25 Flavio Cobolli | 6/3 6/2 | |
| 11 | 2025-09-22 | 500 | China Open | Hard (out.) | 16e | #50 |  #18 Francisco Cerundolo | 4/6 6/3 6/4 | |
| 12 | 2025-09-15 | 250 | Hangzhou Open | Hard (out.) | QF | #50 | #99 Valentin Royer | 7/6(9) 4/6 6/2 | |
| 13 | 2025-09-15 | 250 | Hangzhou Open | Hard (out.) | 8e | #50 | #10000 Giulio Zeppieri | 6/4 6/3 | |
| 14 | 2025-09-15 | 250 | Hangzhou Open | Hard (out.) | 16e | #50 | #80 Mariano Navone | 5/7 6/3 6/4 | |
| 15 | 2025-08-25 | GS | US Open | Hard (out.) | 64e | #55 | #6 Novak Djokovic | 6/1 7/6(3) 6/2 | |
| 16 | 2025-08-04 | 1000 | Cincinnati Masters | Hard (out.) | 32e | #67 | #10 Andrey Rublev | 7/6(4) 6/3 | |
| 17 | 2025-08-04 | 1000 | Cincinnati Masters | Hard (out.) | 64e | #67 |  #487 Leandro Riedi | 6/3 6/4 | |
| 18 | 2025-07-27 | 1000 |  Rogers Cup - Canada | Hard (out.) | 8e | #67 | #30 Alex Michelsen | 6/3 6/3 | |
| 19 | 2025-07-27 | 1000 | Rogers Cup - Canada | Hard (out.) | 16e | #67 | #66 Reilly Opelka | 7/6(3) 6/3 | |
| 20 | 2025-07-27 | 1000 | Rogers Cup - Canada | Hard (out.) | 32e | #67 | #32 Denis Shapovalov | 7/6(4) 7/5 | |
| 21 | 2025-07-27 | 1000 | Rogers Cup - Canada | Hard (out.) | 64e | #67 | #125 Colton Smith | 6/4 7/5 | |
| 22 | 2025-07-21 | 500 | Washington Open | Hard (out.) | 8e | #67 |  #27 Alejandro Davidovich Fokina | 6/2 6/2 | |
| 23 | 2025-07-21 | 500 | Washington Open | Hard (out.) | 16e | #67 | #10 Andrey Rublev | 7/5 6/2 | |
| 24 | 2025-07-21 | 500 | Washington Open | Hard (out.) | 32e | #67 | #119 Emilio Nava | 6/1 6/4 | |
| 25 | 2025-06-30 | GS | Wimbledon | Grass | 32e | #66 |  #142 Nicolas Jarry | 6/2 6/2 6/3 | |
| 26 | 2025-06-30 | GS | Wimbledon | Grass | 64e | #66 | #99 Nishesh Basavareddy | 7/6(5) 6/3 6/2 | |
| 27 | 2025-06-23 | 250 | Mallorca Open | Grass | QF | #67 | #88 Corentin Moutet | 6/2 7/5 | |
| 28 | 2025-06-23 | 250 | Mallorca Open | Grass | 8e | #67 | #9 Ben Shelton | 6/4 7/6(2) | |
| 29 | 2025-06-23 | 250 | Mallorca Open | Grass | 16e | #67 |  #235 Justin Engel | 6/4 6/4 | |
| 30 | 2025-06-09 | 250 | Stuttgart Open | Grass | 8e | #67 | #31 Brandon Nakashima | 7/6(5) 6/3 | |
| 31 | 2025-06-09 | 250 | Stuttgart Open | Grass | 16e | #67 |  #77 Yoshihito Nishioka | 6/7(3) 7/6(3) | |
| 32 | 2025-05-25 | GS | Roland Garros | Clay | 64e | #65 | #3 Alexander Zverev | 6/3 6/3 6/4 | |
| 33 | 2025-05-19 | 250 | Geneva Open | Clay | 16e | #65 | #60 Kei Nishikori | 4/6 6/4 6/4 | |
| 34 | 2025-05-07 | 1000 | Masters de Rome | Clay | 32e | #65 |  #20 Tomas Machac | 6/4 6/4 | |
| 35 | 2025-05-07 | 1000 | Masters de Rome | Clay | 64e | #65 | #103 Reilly Opelka | 6/4 7/6(11) | |
| 36 | 2025-04-21 | 1000 | Masters de Madrid | Clay | 64e | #65 | #45 Marcos Giron | 6/1 1/6 7/6(4) | |
| 37 | 2025-04-14 | 500 | Munich Open | Clay | 16e | #69 |  #37 Tallon Griekspoor | 6/4 6/2 | |
| 38 | 2025-03-31 | 250 | U.S. Men's Clay Court Championship | Clay | 16e | #64 | #33 Alex Michelsen | 6/4 6/2 | |
| 39 | 2025-03-19 | 1000 | Miami Masters | Hard (out.) | 64e | #64 |  #62 Joao Fonseca | 6/7(1) 6/3 6/4 | |
| 40 | 2025-03-03 | 1000 | Indian Wells Masters | Hard (out.) | 64e | #66 | #62 Mariano Navone | 7/5 6/4 | |
| 41 | 2025-02-24 | 500 |  Mexican Open | Hard (out.) | QF | #77 | #24 Tomas Machac | 6/3 7/5 | |
| 42 | 2025-02-24 | 500 | Mexican Open | Hard (out.) | 8e | #77 | #2 Alexander Zverev | 6/3 6/4 | |
| 43 | 2025-02-24 | 500 | Mexican Open | Hard (out.) | 16e | #77 | #71 Cameron Norrie | 7/6(5) 6/3 | |
| 44 | 2025-02-10 | 250 | Delray Beach Open | Hard (out.) | 8e | #80 | #39 Matteo Arnaldi | 7/6(4) 4/6 7/6(1) | |
| 45 | 2025-02-10 | 250 | Delray Beach Open | Hard (out.) | 16e | #80 |  #98 Adam Walton | 6/4 6/3 | |
| 46 | 2025-01-12 | GS | Australian Open | Hard (out.) | 8e | #122 | #53 Lorenzo Sonego | 6/3 6/2 3/6 6/1 | |
| 47 | 2025-01-12 | GS | Australian Open | Hard (out.) | 16e | #122 | #71 Corentin Moutet | 7/6(10) 6/3 6/3 | |
| 48 | 2025-01-12 | GS | Australian Open | Hard (out.) | 32e | #122 | #5 Daniil Medvedev | 6/3 7/6(4) 6/7(8) 1/6 7/6(7) | |
| 49 | 2025-01-12 | GS | Australian Open | Hard (out.) | 64e | #122 | #103 Camilo Ugo Carabelli | 4/6 7/6(3) 6/3 5/7 6/4 | |
| 50 | 2024-08-26 | GS | US Open | Hard (out.) | 64e | #230 | #24 Arthur Fils | 6/4 3/6 6/1 6/2 |
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