- How old is Learner Tien?
- Learner Tien is 20 years old, born on December 2, 2005.
- Which country does Learner Tien represent?
- Learner Tien represents United States in TennisDB's ATP records.
- How tall is Learner Tien?
- Learner Tien is 180 cm / 5'11".
- Does Learner Tien use a one-handed or two-handed backhand?
- Learner Tien uses a two-handed backhand.
- Is Learner Tien left-handed or right-handed?
- Learner Tien plays left-handed.
- How many Grand Slam singles titles has Learner Tien won?
- Learner Tien has not won a Grand Slam singles title.
- How many Masters 1000 titles has Learner Tien won?
- TennisDB does not group any of Learner Tien's titles under the modern Masters 1000 category.
- How many ATP titles has Learner Tien won?
- Learner Tien has won 2 ATP singles titles across all categories. The most recent was Gonet Geneva Open in 2026.
- What is Learner Tien's highest ATP ranking?
- Learner Tien's career-high ATP singles ranking is world No. 12, first achieved on August 10, 2026.
- What is Learner Tien's career win-loss record?
- Learner Tien has a career ATP singles record of 63 wins and 42 losses (60.0%).
- How much career prize money has Learner Tien earned?
- Learner Tien has earned at least $5,001,834 in career prize money from professional tennis.
- What turned-professional year does TennisDB record for Learner Tien?
- TennisDB records 2023 as Learner Tien's turned-professional year.
- Which seasons of Learner Tien's career appear in TennisDB?
- Learner Tien appears in TennisDB's ATP main-tour match records from 2022 through 2026.
- On which surface does Learner Tien have the highest recorded win rate?
- Among surfaces with at least 20 recorded matches, Learner Tien's highest ATP main-draw win rate is on hard: 63.5% (47–27).
- Who has Learner Tien faced most often?
- Learner Tien's most frequent opponent is Alex Michelsen, with a head-to-head record of 1–3 across 4 meetings.
- What racquet does Learner Tien use?
- The official Wilson player roster lists Learner Tien with Wilson, but it does not specify a racquet model. TennisDB does not infer one.