Jelena Ostapenko vs Zeynep Sonmez — Eastbourne Quarter-final
Ostapenko J.
Jelena Ostapenko faces Zeynep Sonmez in the Eastbourne quarter-final on grass. Jelena Ostapenko is the paper favourite — ranked #35, defending last year's round of 16, a roughly 120-point grass Elo advantage — but Zeynep Sonmez rides a 4-match win streak.
Win Probability
Pre-match · updated 16:20 UTC50–58%
58–67%
67–80%
80%+
Slight edge · Ostapenko J. narrowly ahead
Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
Key context
- Freshness: Workload contrast: Jelena Ostapenko 16 games in 14 days, Zeynep Sonmez 189.
- Last match: Jelena Ostapenko dropped the opening set before beating Panna Udvardy 3–6 6–1 6–2.
- Last match: Zeynep Sonmez received a walkover from Sara Bejlek.
Umpiry Score
Pre-matchThe Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Form trajectory
Direction of recent form — results vs Elo expectation blended with serve/return vs each player's baseline, over the last few months. About
Statistics
This seasonAverages over each player's completed matches in the selected window (20 vs 22). ATP, WTA & Challenger.
Serve vs return
This seasonEach player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Clutch
Under pressurePerformance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Freshness
Recent loadOstapenko J.: 2 days rest · 1 match, 16 games (7d) · Sonmez Z.: 1 day rest · 4 matches, 105 games (7d). Higher means fresher. About
When it starts
1st on CENTRE COURT · not before Starting at 11:00 AM · up next on court
- 1Ostapenko J. v Sonmez Z.This match
- 2Kessler M. v Keys M.
Conditions
Head to head
No previous meetings on record.