

Learner Tien defeated Ben Shelton 6-4 7-6 in the Mallorca round of 16 on grass. The upset overturned the form book — Ben Shelton came in ranked #6, defending last year's quarter-final. Learner Tien extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-08-13 | Montreal | SF | hard | Ben Shelton | 2-6 3-6 |
| 2026-03-04 | Indian Wells Masters | R32 | hard | Learner Tien | 7-6 4-6 6-3 |
Averages over each player's completed matches in the selected window (103 vs 101). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Tien L.: 2 days rest · 3 matches, 56 games (7d) · Shelton B.: 2 days rest · 4 matches, 75 games (7d). Higher means fresher. About
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 grass field, opponent-adjusted over 52 weeks). About