Solana Sierra faces Anna Bondar in the Wimbledon round of 128 on grass. Solana Sierra holds the paper edge — ranked #56, defending last year's round of 16, a roughly 100-point grass Elo advantage.
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 (21 vs 23). 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
No previous meetings on record.