
Quentin Halys defeated Soon Woo Kwon in the qualifying round 64 of the Cincinnati hard-court tournament, prevailing 4-6, 7-6, 6-4. Halys served 18 aces and won 91 percent of first-serve points, while Kwon hit nine aces and won 85 percent. Both players converted one service break apiece and committed six double faults.
No previous meetings on record.
Averages over each player's completed matches in the selected window (45 vs 26). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Toss-up · Too close to call
Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Halys Q.: 4 days rest · 3 matches, 73 games (7d) · Woo Kwon S.: 1 day rest · 2 matches, 46 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