
Calvin Hemery defeated Yannick Hanfmann 7-5 7-6 in the Gstaad qualifying round 1 on clay. The upset overturned the form book — Yannick Hanfmann came in ranked #55, defending last year's round of 16. Calvin Hemery extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-10-13 | Brussels | Q1 | hard | Yannick Hanfmann | 6-3 6-4 |
| 2018-03-19 | Miami Masters | Q1 | hard | Calvin Hemery | 6-3 6-1 |
Averages over each player's completed matches in the selected window (87 vs 86). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Hemery C.: 1 day rest · 2 matches, 56 games (7d) · Hanfmann Y.: 4 days rest · 2 matches, 38 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