Katerina Siniakova faces Nikola Bartunkova in the Wimbledon round of 64 on grass. Katerina Siniakova holds the paper edge — ranked #36, defending last year's round of 64, a roughly 70-point grass Elo advantage.
Slight edge · Siniakova K. 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.
Direction of recent form — results vs Elo expectation blended with serve/return vs each player's baseline, over the last few months. About
Averages over each player's completed matches in the selected window (14 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
Siniakova K.: 8 days rest · 5 matches (14d) · Bartunkova N.: 10 days rest · 3 matches (14d). Higher means fresher. About
No previous meetings on record.