
Thiago Monteiro defeated Sebastian Ofner 6-4 6-4 in the Madrid CH quarter-final on clay. The upset overturned the form book — Sebastian Ofner came in ranked #127, but Thiago Monteiro had been the form player, winning 3 of their last 5 on clay.
No previous meetings on record.
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Monteiro T.: 15 days rest · Ofner S.: 1 day rest · 2 matches, 52 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