Mary Stoiana vs Tatiana Prozorova — Ilkley Quarter-final

Ilkley · CHALLENGER · Quarter-final

USA

Mary Stoiana

#142WTA

1570ELO

1460Grass ELO

23 yrs

Last 10

WWLWWLWWLL

—

Sets

Friday, 12 June 2026 · 16:10

grass

RUS

Tatiana Prozorova

#172WTA

1689ELO

1519Grass ELO

22 yrs

Last 10

WWLWLLWWWW

Win Probability

Pre-match · updated 14:21 UTC

Stoiana M.28%

Prozorova T.72%

Toss-up
50–58%

Slight edge
58–67%

Clear favourite
67–80%

Strong favourite
80%+

Clear favourite · Prozorova T. 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.

Umpiry Score

Pre-match

Stoiana M.

6.2

Even matchUmpiry ScorePartial · surface data limited

Prozorova T.

6.7

Slight advantageUmpiry ScorePartial · surface data limited

Form & Matchup

4.3Grass Elo 1460

Surface ELO

5.7+59 Grass Elo edge

4.1Overall Elo 1570

ELO gap

5.9Overall Elo 1689

5.0No prior meetings

H2H

5.0No prior meetings

Fatigue & Travel

0.03 three-setters 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.

Conditions

Weather forecast

17°CClear

Wind 35 km/hHumidity 56%

Head to head

No previous meetings on record.

Statistics

Recent form

Stoiana M.Prozorova T.

64%1st serve in+1%65%

63%1st serve points won+7%70%

45%2nd serve points won+7%52%

56%Service points won+8%64%

46%Return points won+1%45%

52%Break points saved+11%63%

1.4Aces / match+2.43.8

3Double faults / match+0.92.1

Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.