Katie Boulter vs Karolina MuchovaUS Open Round of 64

US Open · WTA · Round of 64
#60WTA
1831ELO
1795Hard ELO
30 yrs · 180 cm · Right-handed
Last 10
WLWLLLLLWW
Sets
Wednesday, 2 September 2026 ·
hard
Stadium 17 · 2nd on
#7WTA
2066ELO
2034Hard ELO
$4.5MYTD
$15MCAREER
30 yrs · 178 cm · Right-handed
Last 10
WLWWWWWWWW
Boulter K.
vs
Muchova K.

Katie Boulter faces Karolina Muchova in the US Open round of 64 on hard. Karolina Muchova holds the paper edge — ranked #7, leading the head-to-head 1–0, defending last year's quarter-final.

Win Probability

Pre-match · updated 16:50 UTC
Boulter K.13%
Muchova K.87%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Strong favourite · Muchova K. 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

Common opponents

Last 12 months
10 common opponents · Boulter K. 5–6 · Muchova K. 8–4
Boulter K. better · different surfaces (Grass × Clay)
Includes tour-level, 125s, qualifying and team events (⚑). Walkovers excluded. Describes past results in different contexts — not a prediction.

Umpiry Score

Pre-match
5.3
Clear underdogUmpiry Score
8.2
Dominant favouriteUmpiry Score
Form & Matchup
2.0Hard Elo 1795
Surface ELO
8.0+239 Hard Elo edge
2.1Overall Elo 1831
ELO gap
7.9Overall Elo 2066
3.0Trails 0–1 on hard
H2H
7.0Leads 1–0 on hard
4.34 of last 10 on hard
Surface form
8.38 of last 10 on hard
Fatigue & Travel
7.01 three-setter in 14 days
3-set count
Context
6.0Reached the R128 here last year
Defending pts
7.0Reached the quarters 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.

35 vs 42 matches

Statistics

This season
1st serve in·Slight edge
60%
65%
1st serve points won·Even
68%
69%
2nd serve points won·Slight edge
43%
51%
Service points won·Slight edge
58%
63%
Return points won·Even
44%
43%
Break points saved·Slight edge
55%
62%
Aces / match·Slight edge
2.6
3.5
Double faults / match·Dominant
5.3
1.5

Averages over each player's completed matches in the selected window (35 vs 42). ATP, WTA & Challenger.

Serve vs return

This season
Boulter K.serving75% hold

wins 61% of points on serve vs Muchova K.

Muchova K.serving82% hold

wins 64% of points on serve vs Boulter K.

Serve advantage — Muchova K.

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·Dominant
57
92
Break points saved·Dominant
29
91
Break points won·Even
84
88
Deciding sets·Clear edge
85
97
Tiebreaks·Dominant
56
99

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

Freshness

Recent load
Freshness·Slight edge
86
92

Boulter K.: 3 days rest · 1 match, 25 games (7d) · Muchova K.: 2 days rest · 1 match, 15 games (7d). Higher means fresher. About

When it starts

2nd on Stadium 17 · Starting at 2:10 PM · up next on court

  1. 1WTownsend T. v Preston T.
    6-16-1
  2. 2WBoulter K. v Muchova K.This match
  3. 3MHarris L. v Tsitsipas S.

Conditions

Court speed
Medium-fastrewards aggression
SlowFast
Weather forecast
22°COvercast
Wind 9 km/hHumidity 81%

Head to head

01
DateTournamentRoundSurfaceWinnerScore
2026-03-17MiamiR32hardKarolina Muchova6-3 7-5

Draw