

Madison Keys defeated Katerina Siniakova in the Round of 32 of the Cincinnati tournament on hard courts, winning 6-1, 6-3. Keys served 2 aces and committed 3 double faults, while Siniakova had no aces and 5 double faults. Keys converted 44% of her break points and won 4 service breaks to Siniakova's none.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-08-26 | US Open | R128 | hard | Madison Keys | 6-4 6-1 |
| 2019-05-27 | Roland Garros | R16 | clay | Madison Keys | 6-2 6-4 |
Averages over each player's completed matches in the selected window (25 vs 31). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Clear favourite · Keys M. clearly ahead, but no certainty
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.
Siniakova K.: 1 day rest · 2 matches, 43 games (7d) · Keys M.: 1 day rest · 2 matches, 44 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