Yeon Woo Ku vs Teodora Kostovic — Wimbledon Qualifying Round
Ku Y.
Yeon Woo Ku faces Teodora Kostovic in the Wimbledon qualifying round on grass. Teodora Kostovic holds the paper edge — a roughly 40-point grass Elo advantage.
Win Probability
Pre-match · updated 15:20 UTC50–58%
58–67%
67–80%
80%+
Clear favourite · Kostovic T. 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.
Key context
- Freshness: Workload contrast: Yeon Woo Ku 86 games in 14 days, Teodora Kostovic 0.
- Form trend: Yeon Woo Ku's form has been trending up over recent weeks, while Teodora Kostovic's has cooled.
Umpiry Score
Pre-match- Surface jump clay↔grass (−0.8)
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.
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 (17 vs 28). 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
Freshness
Recent loadKu Y.: 2 days rest · 4 matches, 86 games (7d) · Kostovic T.: 20 days rest. Higher means fresher. About
Conditions
Head to head
No previous meetings on record.