Bianca Andreescu vs Shuai ZhangWimbledon Round of 128

Wimbledon · WTA · Round of 128
#180WTA
1719ELO
1602Grass ELO
26 yrs · 170 cm · Right-handed
Last 10
WWWLLWLWLW
Sets
Monday, 29 June 2026 ·
grass
#67WTA
1718ELO
1633Grass ELO
37 yrs · 177 cm · Right-handed
Last 10
LLWWLWWLLW
Andreescu B.
vs
Zhang S.

Bianca Andreescu faces Shuai Zhang in the Wimbledon round of 128 on grass. Shuai Zhang is the paper favourite — ranked #67, defending last year's round of 128, a roughly 30-point grass Elo advantage — but Bianca Andreescu arrives in form, winning 3 of their last 4 on grass to Shuai Zhang's 2.

Win Probability

Pre-match · updated 13:20 UTC
Andreescu B.48%
Zhang S.52%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Toss-up · Too close to call

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
6.3
Marginal edgeUmpiry Score
6.5
Marginal edgeUmpiry Score
Form & Matchup
4.6Grass Elo 1602
Surface ELO
5.4+30 Grass Elo edge
4.6Overall Elo 1719
ELO gap
5.4Overall Elo 1718
5.0No prior meetings
H2H
5.0No prior meetings
6.56 of last 10 on grass
Surface form
5.36 of last 10 on grass
7.03-match win streak
Win streak
0.0Lost last 2
Fatigue & Travel
7.01 three-setter in 14 days
3-set count
Country comfort
4.4Won 39% in GBR (28)
Context
5.0Didn't play 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

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

23 vs 24 matches

Statistics

This season
1st serve in·Slight edge
63%
68%
1st serve points won·Even
64%
60%
2nd serve points won·Even
48%
47%
Service points won·Even
58%
56%
Return points won·Even
44%
42%
Break points saved·Slight edge
51%
58%
Aces / match·Slight edge
3.1
2.5
Double faults / match·Slight edge
3.5
2.8

Averages over each player's completed matches in the selected window (23 vs 24). ATP, WTA & Challenger.

Serve vs return

This season
Andreescu B.serving83% hold

wins 65% of points on serve vs Zhang S.

Zhang S.serving77% hold

wins 61% of points on serve vs Andreescu B.

Serve advantage — Andreescu B.

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
84
60
Break points saved·Dominant
90
55
Break points won·Slight edge
89
83
Deciding sets·Slight edge
86
78
Tiebreaks·Slight edge
83
73

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

Freshness

Recent load
Freshness·Dominant
63
88

Andreescu B.: 1 day rest · 3 matches, 70 games (7d) · Zhang S.: 6 days rest · 1 match, 22 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-fastrewards aggression
SlowFast
Weather forecast
18°CPartly cloudy
Wind 9 km/hHumidity 55%

Head to head

No previous meetings on record.

Draw — qualifying

Quarter-finals
Semi-finals
Final