Ye Xin Ma faces Kimberly Birrell in the Memphis round of 32 on hard. Kimberly Birrell holds the paper edge — ranked #64, a roughly 310-point hard Elo advantage.
Clear favourite · Birrell K. 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.
Averages over each player's completed matches in the selected window (28 vs 26). 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
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Xin Ma Y.: 1 day rest · 1 match, 27 games (7d). Higher means fresher. About
No previous meetings on record.
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About