Katie Volynets vs Zeynep Sonmez — s Hertogenbosch R32

s Hertogenbosch · WTA · Round of 32

USAQ

Katie Volynets

#101WTA

1763ELO

1587Grass ELO

24 yrs · 170 cm · Right-handed

Last 10 · pre-match

WWLWLWLWWW

1 — 2

Sets

Tuesday, 9 June 2026 · 12:00

grass

COURT 3 · 1st on

TUR

Zeynep Sonmez

#67WTA

1758ELO

1629Grass ELO

24 yrs · 170 cm · Right-handed

Last 10 · pre-match

LLLWWWWLWL

Zeynep Sonmez reeled off five straight games on the way to a 6-3 2-6 6-3 win over Katie Volynets in the s Hertogenbosch round of 32.

Key context

Set 3, game 2: Zeynep Sonmez broke serve.
Set 3, game 9: A 13-point game with four deuces went Zeynep Sonmez's way.
Pressure points: Katie Volynets converted 4 of 9 break points; Zeynep Sonmez converted 5 of 8 break points.

Win Probability

Pre-match · updated 09:21 UTC

Volynets K.42%

Sonmez Z.58%

Toss-up
50–58%

Slight edge
58–67%

Clear favourite
67–80%

Strong favourite
80%+

Toss-up · Too close to call

Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.

Umpiry Score

Pre-match

Volynets K.

6.5

Marginal edgeUmpiry Score

Sonmez Z.

5.5

Slight disadvantageUmpiry Score

Surface jump clay↔grass (−0.8)

Form & Matchup

4.5Grass Elo 1587

Surface ELO

5.5+42 Grass Elo edge

5.4Overall Elo 1763

ELO gap

4.6Overall Elo 1758

5.0First meeting on grass

H2H

5.0First meeting on grass

6.26 of last 10 on grass

Surface form

5.86 of last 10 on grass

Win streak

0.0Lost last 2

Fatigue & Travel

4.02 three-setters in 14 days

3-set count

Surface transition

3.0Clay → Grass

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.

Volynets K.

3631

Sonmez Z.

6262