Katie Boulter vs Katerina SiniakovaMadrid Round of 128

Madrid · WTA · Round of 128
#60WTA
1831ELO
1695Clay ELO
29 yrs · 180 cm · Right-handed
Last 10 · pre-match
LLLWWWLWLW
2 — 1
Sets
Tuesday, 22 April 2025
clay
#36WTA
1846ELO
1722Clay ELO
$1.7MYTD
$17MCAREER
30 yrs · 174 cm · Right-handed
Last 10 · pre-match
LWLLWWWLWL
Boulter K.
4-6 6-2 6-1
Siniakova K.
Boulter K.
4662
Siniakova K.
6211

Katie Boulter defeated Katerina Siniakova 4-6 6-2 6-1 in the Madrid round of 128 on clay. The upset overturned the form book — Katerina Siniakova came in ranked #36, defending last year's round of 128.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Boulter K.serving60% hold

wins 54% of points on serve vs Siniakova K.

Siniakova K.serving69% hold

wins 58% of points on serve vs Boulter K.

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

Serve & return on clay

Boulter K.Siniakova K.
Serve
29
Return

Per-surface Serve / Return Rating (0–100, percentile within the clay field, opponent-adjusted over 52 weeks). About

Statistics

This season
1st serve in·Even
59%
63%
1st serve points won·Even
65%
65%
2nd serve points won·Even
44%
45%
Service points won·Even
56%
58%
Return points won·Even
44%
46%
Break points saved·Slight edge
53%
58%
Aces / match·Slight edge
2.9
1.8
Double faults / match·Clear edge
5.5
4.3

Averages over each player's completed matches in the selected window (59 vs 72). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Dominant
87
62
Break points saved·Slight edge
86
75
Break points won·Even
93
94
Deciding sets·Dominant
94
46
Tiebreaks·Even
88
90

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

Umpiry Score

Pre-match
5.6
Slight disadvantageUmpiry Score
5.3
Clear underdogUmpiry Score
  • Extended break: 35 days (−0.7)
Form & Matchup
4.9Clay Elo 1695
Surface ELO
5.1+27 Clay Elo edge
4.7Overall Elo 1831
ELO gap
5.3Overall Elo 1846
5.0No prior meetings
H2H
5.0
2.8
Surface form
4.7
Fatigue & Travel
7.0
3-set count
Surface transition
6.0
Context
6.0
Defending pts
6.0

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.

Freshness

Recent load
Freshness·Even
98
96

Boulter K.: 12 days rest · 1 match (14d) · Siniakova K.: 11 days rest · 2 matches (14d). Higher means fresher. About

Conditions

Court speed
Medium-slowfavours grinders
SlowFast
Weather
14°CMainly clear
Wind 2 km/hHumidity 74%

Draw