Kayla Day vs Madison Keys — Wimbledon Round of 128

Wimbledon · WTA · Round of 128
USA
Kayla Day
#138WTA
1608ELO
1427Grass ELO
26 yrs · 173 cm · Left-handed
Last 10
WWWLLWLWLW
—
Sets
Monday, 29 June 2026 ·
grass
Madison Keys
USA
Madison Keys
#27WTA
1957ELO
1777Grass ELO
$990kYTD
$24MCAREER
31 yrs · 178 cm · Right-handed
Last 10
WWWWLWWLWW
Day K.
vs
Keys M.

Kayla Day faces Madison Keys in the Wimbledon round of 128 on grass. Madison Keys holds the paper edge — ranked #27, defending last year's round of 32, a roughly 350-point grass Elo advantage. They have met 2 times, the series level at 1–1, though this is their first meeting on grass.

Win Probability

Pre-match · updated 13:20 UTC
Day K.9%
Keys M.91%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Strong favourite · Keys M. 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
Day K.
5.5
Slight disadvantageUmpiry Score
Keys M.
8.3
Dominant favouriteUmpiry Score
Form & Matchup
0.6Grass Elo 1427
Surface ELO
9.4+350 Grass Elo edge
2.4Overall Elo 1608
ELO gap
7.6Overall Elo 1957
5.0First meeting on grass
H2H
5.0First meeting on grass
5.85 of last 10 on grass
Surface form
8.38 of last 10 on grass
7.03-match win streak
Win streak
7.04-match win streak
Fatigue & Travel
Country comfort
6.6Won 76% in GBR (58)
Context
5.0Didn't play here last year
Defending pts
6.0Reached the R32 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

Day K.Cooling
Keys M.Cooling

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

37 vs 18 matches

Statistics

This season
Day K.Keys M.
1st serve in·Even
67%
66%
1st serve points won·Even
66%
67%
2nd serve points won·Even
48%
47%
Service points won·Even
60%
60%
Return points won·Even
48%
45%
Break points saved·Slight edge
57%
65%
Aces / match·Slight edge
3.1
4.0
Double faults / match·Slight edge
2.2
2.8

Averages over each player's completed matches in the selected window (37 vs 18). ATP, WTA & Challenger.

Serve vs return

This season
Day K.serving82% hold

wins 64% of points on serve vs Keys M.

Keys M.serving76% hold

wins 61% of points on serve vs Day K.

Serve advantage — Day 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
Day K.Keys M.
Clutch Rating·Dominant
37
92
Break points saved·Dominant
66
96
Break points won·Even
88
90
Deciding sets·Dominant
22
96
Tiebreaks·Dominant
52
97

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

Freshness

Recent load
Day K.Keys M.
Freshness·Slight edge
72
65

Day K.: 1 day rest · 3 matches, 55 games (7d) · Keys M.: 1 day rest · 4 matches, 75 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

1–1
DateTournamentRoundSurfaceWinnerScore
2023-05-29Roland GarrosR64clayKayla Day6-2 4-6 6-4
2016-08-29US OpenR64hardMadison Keys6-1 6-1
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