Petra Marcinko vs Madison KeysEastbourne Semi-final

Eastbourne · WTA · Semi-final
#51WTA
1704ELO
1452Grass ELO
20 yrs · 176 cm
Last 10
WWWLWLWLWL
Sets
Friday, 26 June 2026 ·
grass
CENTRE COURT · 2nd on
#27WTA
1957ELO
1777Grass ELO
$990kYTD
$24MCAREER
31 yrs · 178 cm · Right-handed
Last 10
WWWLWWLWWW
Marcinko P.
vs
Keys M.

Petra Marcinko faces Madison Keys in the Eastbourne semi-final on grass. Madison Keys holds the paper edge — ranked #27, a roughly 320-point grass Elo advantage.

Win Probability

Pre-match · updated 19:20 UTC
Marcinko P.14%
Keys M.86%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Strong favourite · Keys M. heavily favoured

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

Key context

Umpiry Score

Pre-match
4.4
Heavy underdogUmpiry Score
  • Back-to-back day (−0.5)
6.9
Slight advantageUmpiry Score
  • Back-to-back day (−0.5)
Form & Matchup
0.9Grass Elo 1452
Surface ELO
9.1+324 Grass Elo edge
2.4Overall Elo 1704
ELO gap
7.6Overall Elo 1957
5.0No prior meetings
H2H
5.0No prior meetings
6.55 of last 9 on grass
Surface form
7.67 of last 10 on grass
7.03-match win streak
Win streak
7.03-match win streak
Fatigue & Travel
0.05 three-setters in 14 days
3-set count
Country comfort
6.5Won 75% in GBR (57)
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

Keys M.Stable

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

19 vs 18 matches

Statistics

This season
1st serve in·Slight edge
58%
66%
1st serve points won·Even
63%
67%
2nd serve points won·Slight edge
42%
47%
Service points won·Slight edge
54%
60%
Return points won·Even
45%
45%
Break points saved·Clear edge
46%
65%
Aces / match·Clear edge
2.4
4.0
Double faults / match·Dominant
4.3
2.8

Averages over each player's completed matches in the selected window (19 vs 18). ATP, WTA & Challenger.

Serve vs return

This season
Marcinko P.serving71% hold

wins 59% of points on serve vs Keys M.

Keys M.serving81% hold

wins 64% of points on serve vs Marcinko P.

Serve advantage — Keys M.

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

Clutch

Under pressure
Clutch Rating·Clear edge
72
92
Break points saved·Dominant
54
96
Break points won·Slight edge
95
90
Deciding sets·Even
93
96
Tiebreaks·
97

Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About

Freshness

Recent load
Freshness·Clear edge
52
69

Marcinko P.: 1 day rest · 4 matches, 104 games (7d) · Keys M.: 1 day rest · 4 matches, 81 games (7d). Higher means fresher. About

When it starts

2nd on CENTRE COURT · not before Not before 12:00 PM · 1 match still to finish ahead

  1. 1Maria T. v Ostapenko J.
  2. 2Marcinko P. v Keys M.This match

Conditions

Court speed
Medium-fastrewards aggression
SlowFast
Weather forecast
28°CClear
Wind 19 km/hHumidity 54%

Head to head

No previous meetings on record.