
Roman Andres Burruchaga defeated Learner Tien 7-5 6-4 in the Houston quarter-final on clay. The upset overturned the form book — Learner Tien came in ranked #12, defending last year's round of 32.
No previous meetings on record.
Averages over each player's completed matches in the selected window (37 vs 29). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Burruchaga R.: 5 days rest · 1 match, 30 games (7d) · Tien L.: 2 days rest · 3 matches, 56 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 clay field, opponent-adjusted over 52 weeks). About