Quentin Halys defeated Steven Diez 6-3 6-0 in the Porto CH quarter-final on hard. Quentin Halys claimed a first win over Steven Diez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-05-20 | Lyon | Q2 | clay | Steven Diez | 6-2 3-6 6-3 |
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
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