Cadence Brace faces Solana Sierra in the Sao Paulo round of 32 on hard. Solana Sierra is the paper favourite — ranked #90, defending last year's quarter-final, a roughly 160-point hard Elo advantage — but Cadence Brace arrives in form, winning 4 of their last 5 on hard to Solana Sierra's 0.
“Her superior recent form and confidence from qualifying could carry her through a competitive contest.”
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Slight edge · Sierra S. narrowly ahead
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.
Averages over each player's completed matches in the selected window (18 vs 40). 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
2nd on Quadra 1 · Not before 2:00 PM · 1 match still to finish ahead
No previous meetings on record.
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About