

Arthur Fils defeated Learner Tien 6-4 3-6 6-1 6-2 in the US Open round of 128 on hard. The upset overturned the form book — Learner Tien came in ranked #17, leading the head-to-head 1–0, defending last year's round of 128. Arthur Fils claimed a first win over Learner Tien in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-12-18 | Next Gen Finals | RR | hard | Learner Tien | 4-2 4-2 3-4(4) 4-3(5) |
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
Averages over each player's completed matches in the selected window (128 vs 142). ATP, WTA & Challenger.