
Yannick Maden defeated Quentin Halys 7-6 1-6 6-3 in the Lille CH semi-final on hard. The upset overturned the form book — Quentin Halys came in leading the head-to-head 1–0, defending last year's round of 16. Yannick Maden claimed a first win over Quentin Halys in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-05-31 | Roland Garros | Q2 | clay | Quentin Halys | 6-1 6-7(3) 6-1 |
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 hard field, opponent-adjusted over 52 weeks). About
Averages over each player's completed matches in the selected window (128 vs 200). ATP, WTA & Challenger.