
Quentin Halys defeated Stefanos Tsitsipas 1-6 6-4 7-6 in the Quimper CH semi-final on hard. The upset overturned the form book — Stefanos Tsitsipas came in ranked #49, defending last year's round of 32, but Quentin Halys had been the form player, winning 3 of their last 4 on hard. Quentin Halys extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-01-16 | Australian Open | R128 | hard | Stefanos Tsitsipas | 6-3 6-4 7-6 |
| 2014-10-20 | Greece F9 | Q32 | hard | Quentin Halys | 6-0 6-1 |
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
Halys Q.: 7 days rest · 1 match, 29 games (7d) · Tsitsipas S.: 6 days rest · 1 match, 21 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 hard field, opponent-adjusted over 52 weeks). About