Yeon Woo Ku vs Darja VidmanovaFigueira Da Foz Semi-final

Figueira Da Foz · CHALLENGER · Semi-final
1475ELO
1459Hard ELO
23 yrs
Last 10
WWWWWWWWLL
Sets
Saturday, 20 June 2026 ·
hard
#108WTA
1581ELO
1584Hard ELO
23 yrs · Right-handed
Last 10
WWWLWWWLLW
Ku Y.
vs
Vidmanova D.

Yeon Woo Ku faces Darja Vidmanova in the Figueira Da Foz semi-final on hard. Darja Vidmanova holds the paper edge — a roughly 120-point hard Elo advantage.

Win Probability

Pre-match · updated 15:21 UTC
Ku Y.29%
Vidmanova D.71%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Clear favourite · Vidmanova D. clearly ahead, but no certainty

Calibrated model · 66% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.

Key context

Umpiry Score

Pre-match
5.8
Slight disadvantageUmpiry Score
  • Back-to-back day (−0.5)
6.1
Even matchUmpiry Score
  • Back-to-back day (−0.5)
Form & Matchup
3.4Hard Elo 1459
Surface ELO
6.6+124 Hard Elo edge
4.2Overall Elo 1475
ELO gap
5.8Overall Elo 1581
5.0No prior meetings
H2H
5.0No prior meetings
8.78 of last 10 on hard
Surface form
7.47 of last 10 on hard
10.08-match win streak
Win streak
7.03-match win streak
Fatigue & Travel
7.01 three-setter in 14 days
3-set count
0.05 three-setters in 14 days
Context
5.0Didn't play here last year
Defending pts
5.0Didn't play here last year

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

Ku Y.Surging

Direction of recent form — results vs Elo expectation blended with serve/return vs each player's baseline, over the last few months. About

17 vs 31 matches

Statistics

This season
1st serve in·Even
66%
64%
1st serve points won·Even
59%
63%
2nd serve points won·Even
46%
48%
Service points won·Even
54%
58%
Return points won·Even
47%
45%
Break points saved·Slight edge
50%
58%
Aces / match·Clear edge
1.8
3.5
Double faults / match·Slight edge
2.9
2.4

Averages over each player's completed matches in the selected window (17 vs 31). ATP, WTA & Challenger.

Serve vs return

This season
Ku Y.serving49% hold

wins 50% of points on serve vs Vidmanova D.

Vidmanova D.serving54% hold

wins 52% of points on serve vs Ku Y.

Baseline battle — serve is shaky, expect plenty of breaks

Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About

Freshness

Recent load
Freshness·Dominant
80
54

Ku Y.: 2 days rest · 2 matches, 41 games (7d) · Vidmanova D.: 1 day rest · 5 matches, 125 games (7d). Higher means fresher. About

Conditions

Weather forecast
19°COvercast
Wind 10 km/hHumidity 87%

Head to head

No previous meetings on record.