
The Cincinnati round of 128 between Maria Timofeeva and Katerina Siniakova was cancelled. Cancellations usually follow weather, a scheduling change, or a withdrawal.
Siniakova advances into Osaka's seeded position with a bye into the second round following the withdrawal.
Quotes belong to their sources, linked above.
No previous meetings on record.
Averages over each player's completed matches in the selected window (41 vs 25). 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.
Timofeeva M.: 5 days rest · 1 match, 9 games (7d) · Siniakova K.: 1 day rest · 2 matches, 43 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