Solana Sierra vs Coco GauffWimbledon Round of 64

Wimbledon · WTA · Round of 64
#56WTA
1774ELO
1618Grass ELO
22 yrs · Right-handed
Last 10
WLWWLWLWWL
Sets
Wednesday, 1 July 2026 ·
grass
#7WTA
2071ELO
1823Grass ELO
$2.9MYTD
$33MCAREER
22 yrs · 175 cm · Right-handed
Last 10
WLLWWLWWWW
Sierra S.
vs
Gauff C.

Solana Sierra faces Coco Gauff in the Wimbledon round of 64 on grass. Coco Gauff holds the paper edge — ranked #7, leading the head-to-head 2–0, defending last year's round of 128.

Win Probability

Pre-match · updated 23:20 UTC
Sierra S.9%
Gauff C.91%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Strong favourite · Gauff C. 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
5.9
Even matchUmpiry Score
7.4
Dominant favouriteUmpiry Score
Form & Matchup
2.4Grass Elo 1618
Surface ELO
7.6+205 Grass Elo edge
1.6Overall Elo 1774
ELO gap
8.4Overall Elo 2071
5.0First meeting on grass
H2H
5.0First meeting on grass
6.97 of last 10 on grass
Surface form
4.85 of last 10 on grass
Fatigue & Travel
0.03 three-setters in 14 days
3-set count
7.01 three-setter in 14 days
Country comfort
6.0Won 67% in GBR (24)
Context
6.0Reached the last 16 here last year
Defending pts
6.0Reached the R128 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

Sierra S.Surging
Gauff C.Stable

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

21 vs 18 matches

Statistics

This season
1st serve in·Even
63%
64%
1st serve points won·Slight edge
62%
67%
2nd serve points won·Even
41%
38%
Service points won·Even
54%
57%
Return points won·Slight edge
42%
47%
Break points saved·Even
54%
56%
Aces / match·Slight edge
2.2
3.2
Double faults / match·Dominant
4.5
7.2

Averages over each player's completed matches in the selected window (21 vs 18). ATP, WTA & Challenger.

Serve vs return

This season
Sierra S.serving67% hold

wins 57% of points on serve vs Gauff C.

Gauff C.serving82% hold

wins 64% of points on serve vs Sierra S.

Serve advantage — Gauff C.

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
87
99
Break points saved·Clear edge
81
96
Break points won·Even
96
100
Deciding sets·Slight edge
93
100
Tiebreaks·Slight edge
91
99

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

Freshness

Recent load
Freshness·Clear edge
81
97

Sierra S.: 7 days rest · 1 match, 32 games (7d) · Gauff C.: 12 days rest · 1 match (14d). Higher means fresher. About

Conditions

Court speed
Medium-fastrewards aggression
SlowFast
Weather forecast
21°CPartly cloudy
Wind 14 km/hHumidity 53%

Head to head

02
DateTournamentRoundSurfaceWinnerScore
2026-05-09RomeR32clayCoco Gauff5-7 6-0 6-4
2026-01-05United CupRRhardCoco Gauff6-1 6-1
R128
R64
R32
R16
Quarter-finals
Semi-finals
Final