

Rudolf Molleker defeated Quentin Halys 6-4 2-6 6-4 in the Poznan CH quarter-final on clay. The upset overturned the form book — Quentin Halys came in ranked #57, defending last year's semi-final.
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
Molleker R.: 2 days rest · 4 matches, 70 games (7d) · Halys Q.: 6 days 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