Katerina Siniakova vs Qinwen Zheng — Wimbledon Round of 128

Wimbledon · WTA · Round of 128
Katerina Siniakova
CZE
Katerina Siniakova
#34WTA
1845ELO
1734Grass ELO
$1.7MYTD
$17MCAREER
30 yrs · 174 cm · Right-handed
Last 10
LLWWWLWLLW
—
Sets
Monday, 29 June 2026 ·
grass
Qinwen Zheng
CHN
Qinwen Zheng
#153WTA
1866ELO
1605Grass ELO
$283kYTD
$10MCAREER
23 yrs · 178 cm · Right-handed
Last 10
LWLWLLLLWL
Siniakova K.
vs
Zheng Q.

Katerina Siniakova faces Qinwen Zheng in the Wimbledon round of 128 on grass. Katerina Siniakova holds the paper edge — ranked #34, leading the head-to-head 3–1, defending last year's round of 64.

Win Probability

Pre-match · updated 13:20 UTC
Siniakova K.56%
Zheng Q.44%
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
Siniakova K.
6.9
Slight advantageUmpiry Score
Zheng Q.
5.7
Slight disadvantageUmpiry Score
Form & Matchup
6.6+129 Grass Elo edge
Surface ELO
3.4Grass Elo 1605
4.4Overall Elo 1845
ELO gap
5.6Overall Elo 1866
8.2Leads 3–0 on grass
H2H
1.8Trails 0–3 on grass
5.56 of last 10 on grass
Surface form
4.14 of last 10 on grass
0.0Lost last 2
Win streak
0.0
Fatigue & Travel
3-set count
0.03 three-setters in 14 days
4.7Won 45% in GBR (22)
Country comfort
Context
6.0Reached the R64 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

Siniakova K.Stable
Zheng Q.Stable

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

14 vs 9 matches

Statistics

This season
Siniakova K.Zheng Q.
1st serve in·Slight edge
67%
56%
1st serve points won·Slight edge
62%
73%
2nd serve points won·Even
47%
47%
Service points won·Slight edge
57%
62%
Return points won·Even
44%
40%
Break points saved·Even
60%
64%
Aces / match·Dominant
1.3
9.4
Double faults / match·Dominant
3.1
5.1

Averages over each player's completed matches in the selected window (14 vs 9). ATP, WTA & Challenger.

Serve vs return

This season
Siniakova K.serving84% hold

wins 66% of points on serve vs Zheng Q.

Zheng Q.serving85% hold

wins 66% of points on serve vs Siniakova K.

Serve-dominated — both hold easily, expect tiebreaks

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
Siniakova K.Zheng Q.
Clutch Rating·Dominant
62
94
Break points saved·Clear edge
75
96
Break points won·Slight edge
94
100
Deciding sets·Dominant
46
99
Tiebreaks·Even
90
89

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

Freshness

Recent load
Siniakova K.Zheng Q.
Freshness·Clear edge
84
62

Siniakova K.: 5 days rest · 1 match, 21 games (7d) · Zheng Q.: 2 days rest · 2 matches, 62 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

3–1
DateTournamentRoundSurfaceWinnerScore
2025-06-30WimbledonR128grassKaterina Siniakova7-5 4-6 6-1
2024-06-17BerlinR16grassKaterina Siniakova6-4 6-4
2024-03-18MiamiR64hardQinwen Zheng4-6 6-3 1-0 RET
2023-07-03WimbledonR128grassKaterina Siniakova6-3 7-5
View full head-to-head →

Draw — qualifying

Quarter-finals
Semi-finals
Final
Timofeeva M.[1]
Osuigwe W.
6-16-4
Rus A.
Podrez V.
4-64-6
Monnet C.
Prozorova T.
2-64-6
Watson H.
Sherif M.[21]
6-26-2
Krueger A.[2]
Knutson G.
7-57-5
Hontama M.
Urhobo A.
7-666-3
Iatcenko P.
Romero Gormaz L.
6-06-3
Bai Z.
Zidansek T.[26]
6-27-5
Korneeva A.
Shubladze A.
2-67-626-3
Brancaccio N.
Lazaro Garcia A.
3-64-6
Riera J.
D. Britton
2-66-26-4
Crawley F.
Sakatsume H.[19]
7-54-67-68
Wang X.
Guo H.
7-646-3
Radivojevic L.
Bassols Ribera M.
7-6102-66-77
Dolehide C.
Montgomery R.
4-66-71
Mcdonald E.
Kalieva E.[31]
6-36-744-6
Volynets K.[5]
Samson L.
7-656-1
Miyazaki Y.
Yaneva E.
2-64-6
Gorgodze E.
Valdmannova V.
6-27-62
You X.
Jeanjean L.[23]
6-42-63-6
Semenistaja D.[6]
Siskova A.
7-621-67-5
Hon P.
Hibino N.
2-62-6
Lepchenko V.
Gasanova A.
6-21-66-710
Fruhvirtova L.
Jones E.[29]
2-61-6
Quevedo K.[7]
Ishii S.
6-06-3
Papamichail D.
Liu C.
2-61-6
Tubello A.
Pridankina E.
2-60-6
Rajecki A.
Lamens S.[27]
3-65-7
Uchijima M.
Adeshina E.
1-66-35-7
Tan H.
Pohankova M.
7-632-66-1
Naef C.
Garland J.
6-35-74-6
Grant T.
Preston T.[18]
6-12-66-4
Sun L.[9]
Klimovicova L.
7-637-5
Pigossi L.
Dodin O.
5-74-6
Koevermans A.
Sawangkaew M.
3-66-14-6
Cross K.
Stoiana M.[25]
3-64-6
Galfi D.[10]
Jorge F.
6-753-6
Fita Boluda A.
Gjorcheska L.
2-64-6
Mikulskyte J.
Zhao C.
6-37-66
Inglis M.
Bronzetti L.[20]
3-66-34-6
Kudermetova P.[11]
Ponchet J.
1-66-26-3
Friedsam A.
Ngounoue C.
3-65-7
Rame A.
Uebelhoer C.
3-67-52-6
Mandlik E.
Charaeva A.[22]
2-64-6
Grabher J.[12]
Bolkvadze M.
4-66-76
Kinoshita H.
Tomova V.
7-56-3
Carle M.
Havlickova L.
7-55-76-4
Vandromme J.
Yuan Y.
4-66-06-2
Salkova D.[13]
Shymanovich I.
6-756-34-6
Minnen G.
Ferro F.
6-36-1
Sebov K.
Ortenzi J.
4-66-36-2
Noha Akugue N.
Pigato L.[28]
7-626-3
Kawa K.[14]
Bandecchi S.
6-16-3
Giovannini L.
Stefanini L.
6-766-75
Ma Y.
Andreeva E.
0-63-6
Brace C.
Day K.[32]
4-63-6
Sasnovich A.[15]
Dunne K.
1-66-36-2
S. Hunter
Costoulas S.
7-56-4
Andreescu B.
Hercog P.
6-46-2
Masarova R.
Teichmann J.[24]
6-724-6
Sramkova R.[16]
Hruncakova V.
7-657-63
Ku Y.
Kostovic T.
1-64-6
Rakotomanga Rajaonah T.
Lee C.
6-44-66-3
Barthel M.
Zhu L.[30]
4-63-6
Timofeeva M.[1]
Podrez V.
6-46-2
Prozorova T.
Watson H.
7-53-65-7
Krueger A.[2]
Hontama M.
6-35-76-3
Iatcenko P.
Bai Z.
7-676-2
Korneeva A.
Lazaro Garcia A.
6-26-757-5
Riera J.
Crawley F.
2-66-36-71
Wang X.
Bassols Ribera M.
6-31-60-4
Montgomery R.
Kalieva E.[31]
6-26-2
Volynets K.[5]
E. Yaneva
6-16-4
Gorgodze E.
Jeanjean L.[23]
3-62-6
Semenistaja D.[6]
Hibino N.
6-41-66-2
Gasanova A.
Jones E.[29]
5-76-46-3
Quevedo K.[7]
Liu C.
4-64-6
Pridankina E.
Lamens S.[27]
7-54-66-3
Adeshina E.
Tan H.
2-62-6
Garland J.
Grant T.
4-64-6
Sun L.[9]
Dodin O.
6-7106-75
Sawangkaew M.
Stoiana M.[25]
2-66-47-5
Jorge F.
Gjorcheska L.
7-52-61-6
Mikulskyte J.
Bronzetti L.[20]
3-63-6
Kudermetova P.[11]
Ngounoue C.
6-16-2
Uebelhoer C.
Charaeva A.[22]
7-54-60-6
Bolkvadze M.
Kinoshita H.
6-36-2
Carle M.
Vandromme J.
7-614-63-6
Shymanovich I.
Minnen G.
6-46-2
Sebov K.
Noha Akugue N.
6-45-77-5
Kawa K.[14]
Stefanini L.
6-42-66-2
Andreeva E.
Day K.[32]
2-62-6
Sasnovich A.[15]
S. Hunter
5-76-17-5
Andreescu B.
Teichmann J.[24]
6-746-16-4
Sramkova R.[16]
Kostovic T.
6-46-744-6
Rakotomanga Rajaonah T.
Zhu L.[30]
2-63-6
Timofeeva M.[1]
Watson H.
3-66-26-1
Krueger A.[2]
Iatcenko P.
7-686-1
Korneeva A.
Crawley F.
6-26-0
Bassols Ribera M.
Montgomery R.
6-31-61-6
Volynets K.[5]
Jeanjean L.[23]
3-64-6
Semenistaja D.[6]
Gasanova A.
4-62-6
Liu C.
Pridankina E.
6-24-66-1
Tan H.
Grant T.
4-66-75
Dodin O.
Sawangkaew M.
7-55-71-6
Gjorcheska L.
Bronzetti L.[20]
6-16-2
Kudermetova P.[11]
Charaeva A.[22]
4-66-46-1
Bolkvadze M.
Vandromme J.
6-44-66-3
Shymanovich I.
Sebov K.
4-66-37-65
Kawa K.[14]
Day K.[32]
2-65-7
Sasnovich A.[15]
Andreescu B.
3-66-74
Kostovic T.
Zhu L.[30]
6-36-4