Vendula Valdmannova vs Sayaka Ishii

Ilkley · CHALLENGER · Qualifying Semi-final

CZE

Vendula Valdmannova

#201WTA

1636ELO

1493Grass ELO

18 yrs

Last 10 · pre-match

WLWWWWWWLW

2 — 0

Sets

Sunday, 7 June 2026 · 16:20

grass

COURT 4 · 4th on

JPN

Sayaka Ishii

#642WTA

1424ELO

1418Grass ELO

20 yrs

Last 10 · pre-match

LLLLWLWLWL

Vendula Valdmannova reeled off six straight games on the way to a 6-3 6-1 win over Sayaka Ishii in the Ilkley qualifying semi-final.

Key context

Set 2, game 3: Vendula Valdmannova broke serve.
Pressure points: Vendula Valdmannova converted 5 of 6 break points; Sayaka Ishii converted 1 of 1 break points.

Win Probability

Pre-match · updated 14:21 UTC

Valdmannova V.83%

Ishii S.17%

Toss-up
50–58%

Slight edge
58–67%

Clear favourite
67–80%

Strong favourite
80%+

Strong favourite · Valdmannova V. heavily favoured

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

Umpiry Score

Pre-match

Valdmannova V.

7.3

Strong advantageUmpiry ScorePartial · surface data limited

Ishii S.

5.5

Slight disadvantageUmpiry Score

Form & Matchup

5.9+75 Grass Elo edge

Surface ELO

4.1Grass Elo 1418

8.2Overall Elo 1636

ELO gap

1.8Overall Elo 1424

7.0Leads 1–0 on grass

H2H

3.0Trails 0–1 on grass

Surface form

4.85 of last 10 on grass

0.0

Win streak

0.0Lost last 3

Fatigue & Travel

7.01 three-setter in 14 days

3-set count

7.01 three-setter 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.

Valdmannova V.

662

Ishii S.

310