

Learner Tien defeated Frances Tiafoe 7-6 3-6 7-5 in the Delray Beach quarter-final on hard. The result followed the form book — Learner Tien came in ranked #12, defending last year's round of 16. Learner Tien claimed a first win over Frances Tiafoe in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-08-19 | Cincinnati | R32 | hard | Frances Tiafoe | 4-6 6-4 4-6 |
| 2023-08-28 | US Open | R128 | hard | Frances Tiafoe | 6-2 7-5 6-1 |
Averages over each player's completed matches in the selected window (29 vs 42). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About